1	Unit 1 Math in Our World
Section A - Explore Our Math Tools
Show numbers up to 3		1. Show numbers with cubes - up to 3 2. Show numbers on frames - up to 3 Also consider: • Count on frames - up to 3 • Count shapes - up to 3
Show numbers up to 3
1. Show numbers with cubes - up to 3 2. Show numbers on frames - up to 3 Also consider: • Count on frames - up to 3 • Count shapes - up to 3
Section B - Recognize Quantities
Numbers up to 3		1. Are there the same number? - up to 3 2. Choose the number that you hear - up to 3 3. Identify numbers - up to 3
Numbers up to 3
1. Are there the same number? - up to 3 2. Choose the number that you hear - up to 3 3. Identify numbers - up to 3
Count up to 3		1. Learn to count to 3 2. Count pictures - up to 3 3. Count out stickers - up to 3
Count up to 3
1. Learn to count to 3 2. Count pictures - up to 3 3. Count out stickers - up to 3
Represent numbers up to 3		1. Represent numbers with pictures - up to 3 2. Represent numbers with shapes - up to 3
Represent numbers up to 3
1. Represent numbers with pictures - up to 3 2. Represent numbers with shapes - up to 3
Section C - Are There Enough?
Are there enough?		1. Are there enough? - up to 5 2. Count shapes in rows - up to 5 3. Count scattered pictures - up to 5 4. Count out stickers - up to 5
Are there enough?
1. Are there enough? - up to 5 2. Count shapes in rows - up to 5 3. Count scattered pictures - up to 5 4. Count out stickers - up to 5
Section D - Counting Collections
Count up to 5		1. Learn to count to 5 2. Count pictures - up to 5 3. Count on frames - up to 5 4. Count cubes - up to 5 Also consider: • Choose the number that you hear - up to 5
Count up to 5
1. Learn to count to 5 2. Count pictures - up to 5 3. Count on frames - up to 5 4. Count cubes - up to 5 Also consider: • Choose the number that you hear - up to 5
Show numbers up to 5		1. Show numbers on frames - up to 5 2. Show numbers with cubes - up to 5
Show numbers up to 5
1. Show numbers on frames - up to 5 2. Show numbers with cubes - up to 5
Count up to 10		1. Learn to count to 10 2. Count pictures - up to 10 3. Count on ten frames - up to 10 4. Count cubes - up to 10 Also consider: • Choose the number that you hear - up to 10
Count up to 10
1. Learn to count to 10 2. Count pictures - up to 10 3. Count on ten frames - up to 10 4. Count cubes - up to 10 Also consider: • Choose the number that you hear - up to 10
Show numbers up to 10		1. Show numbers on ten frames - up to 10 2. Show numbers with cubes - up to 10
Show numbers up to 10
1. Show numbers on ten frames - up to 10 2. Show numbers with cubes - up to 10
Count numbers up to 10		1. Count up to find the next number - up to 10 2. Count forward - up to 10 3. What number comes next? - up to 10 4. Complete a sequence - up to 10
Count numbers up to 10
1. Count up to find the next number - up to 10 2. Count forward - up to 10 3. What number comes next? - up to 10 4. Complete a sequence - up to 10

2	Unit 2 Numbers 1–10
Section A - Count and Compare Groups of Objects
Fewer		1. Fewer - compare by matching 2. Fewer - compare by counting
Fewer
1. Fewer - compare by matching 2. Fewer - compare by counting
More		1. More - compare by matching 2. More - compare by counting
More
1. More - compare by matching 2. More - compare by counting
Fewer, more, and same		1. Fewer and more - compare by matching 2. Fewer and more - compare by counting 3. Fewer, more, and same 4. Count pictures and show a number that is greater, less, or equal - up to 10 Also consider: • Fewer and more - compare in a mixed group
Fewer, more, and same
1. Fewer and more - compare by matching 2. Fewer and more - compare by counting 3. Fewer, more, and same 4. Count pictures and show a number that is greater, less, or equal - up to 10 Also consider: • Fewer and more - compare in a mixed group
Section B - Count and Compare Groups of Images
Count objects in different arrangements		1. Count shapes in rows - up to 10 2. Count scattered shapes - up to 10 3. Count shapes in rings - up to 10
Count objects in different arrangements
1. Count shapes in rows - up to 10 2. Count scattered shapes - up to 10 3. Count shapes in rings - up to 10
Are there enough?		1. Are there enough?
Are there enough?
1. Are there enough?
Section C - Connect Quantities and Numbers
Count objects up to 10		1. Count out stickers - up to 10
Count objects up to 10
1. Count out stickers - up to 10
Represent numbers		1. Represent numbers with pictures - up to 5 2. Represent numbers with shapes - up to 5 3. Represent numbers - up to 10
Represent numbers
1. Represent numbers with pictures - up to 5 2. Represent numbers with shapes - up to 5 3. Represent numbers - up to 10
Section D - Compare Numbers
Order and compare numbers		1. Put numbers up to 5 in order 2. Compare two numbers - up to 10
Order and compare numbers
1. Put numbers up to 5 in order 2. Compare two numbers - up to 10
One more and one less		1. One more with pictures - up to 10 2. One more - up to 10 3. One less with pictures - up to 10 4. One more and one less with pictures - up to 10 Also consider: • One more on frames - up to 10 • One less on frames - up to 10
One more and one less
1. One more with pictures - up to 10 2. One more - up to 10 3. One less with pictures - up to 10 4. One more and one less with pictures - up to 10 Also consider: • One more on frames - up to 10 • One less on frames - up to 10

3	Unit 3 Flat Shapes All Around Us
Section A - Exploring Shapes in Our Environment
Same and different		1. Same 2. Different 3. Same and different
Same and different
1. Same 2. Different 3. Same and different
Describe and compare shapes		1. Curved parts 2. Count sides and corners 3. Compare sides and corners 4. Equal sides 5. Square corners 6. Compare shapes using attributes Also consider: • Count corners • Count sides
Describe and compare shapes
1. Curved parts 2. Count sides and corners 3. Compare sides and corners 4. Equal sides 5. Square corners 6. Compare shapes using attributes Also consider: • Count corners • Count sides
Sort shapes		1. Classify and sort by color 2. Classify and sort by shape 3. Classify and sort 4. Classify, sort, and count Also consider: • Count shapes in a Venn diagram • Sort shapes into a Venn diagram
Sort shapes
1. Classify and sort by color 2. Classify and sort by shape 3. Classify and sort 4. Classify, sort, and count Also consider: • Count shapes in a Venn diagram • Sort shapes into a Venn diagram
Identify shapes		1. Circles 2. Triangles 3. Squares 4. Rectangles 5. Identify circles, triangles, squares, and rectangles 6. Select circles, triangles, squares, and rectangles 7. Two-dimensional shapes in the real world
Identify shapes
1. Circles 2. Triangles 3. Squares 4. Rectangles 5. Identify circles, triangles, squares, and rectangles 6. Select circles, triangles, squares, and rectangles 7. Two-dimensional shapes in the real world
Compare length		1. Long and short Also consider: • Build cube trains to measure length • Measure length with objects
Compare length
1. Long and short Also consider: • Build cube trains to measure length • Measure length with objects
Section B - Making Shapes
Pattern blocks		1. Compose simple two-dimensional shapes
Pattern blocks
1. Compose simple two-dimensional shapes
Positions		1. Above and below 2. Beside and next to 3. In front of and behind Also consider: • Inside and outside • Left and right • Left, middle, and right • Top, middle, and bottom • Location in a grid
Positions
1. Above and below 2. Beside and next to 3. In front of and behind Also consider: • Inside and outside • Left and right • Left, middle, and right • Top, middle, and bottom • Location in a grid

4	Unit 4 Understanding Addition and Subtraction
Section A - Count to Add and Subtract
Addition		1. Put together numbers using cubes - sums up to 10 2. Build cube trains to add up to 10 - words
Addition
1. Put together numbers using cubes - sums up to 10 2. Build cube trains to add up to 10 - words
Subtraction		1. Take away cubes - numbers up to 10
Subtraction
1. Take away cubes - numbers up to 10
Section B - Represent and Solve Story Problems
Addition story problems		1. Build cube trains to solve addition word problems - sums up to 10 2. Addition word problems with pictures - sums up to 10 3. Addition word problems - sums up to 10
Addition story problems
1. Build cube trains to solve addition word problems - sums up to 10 2. Addition word problems with pictures - sums up to 10 3. Addition word problems - sums up to 10
Subtraction story problems		1. Use cube trains to solve subtraction word problems - up to 10 2. Subtraction word problems with pictures - numbers up to 10 3. Subtraction word problems - numbers up to 10 4. Model and write subtraction sentences for word problems - up to 10
Subtraction story problems
1. Use cube trains to solve subtraction word problems - up to 10 2. Subtraction word problems with pictures - numbers up to 10 3. Subtraction word problems - numbers up to 10 4. Model and write subtraction sentences for word problems - up to 10
Addition and subtraction story problems		1. Addition and subtraction word problems with pictures 2. Addition and subtraction word problems
Addition and subtraction story problems
1. Addition and subtraction word problems with pictures 2. Addition and subtraction word problems
Section C - Addition and Subtraction Expressions
Add with models		1. Add with cubes - sums up to 10 2. Add with pictures - sums up to 10 3. Write addition sentences for pictures - sums up to 10 Also consider: • Addition sentences up to 10 - which model matches? • Addition sentences up to 10 - what does the model show?
Add with models
1. Add with cubes - sums up to 10 2. Add with pictures - sums up to 10 3. Write addition sentences for pictures - sums up to 10 Also consider: • Addition sentences up to 10 - which model matches? • Addition sentences up to 10 - what does the model show?
Add numbers		1. Add 0 2. Add 1 3. Add two numbers - sums up to 10 4. Make a number using addition - sums up to 10 5. Complete the addition sentence - sums up to 10
Add numbers
1. Add 0 2. Add 1 3. Add two numbers - sums up to 10 4. Make a number using addition - sums up to 10 5. Complete the addition sentence - sums up to 10
Subtract with models		1. Subtract with cubes - numbers up to 10 2. Subtract with pictures - numbers up to 10 3. Write subtraction sentences for pictures - up to 10 Also consider: • Subtraction sentences up to 10 - which model matches? • Subtraction sentences up to 10 - what does the model show?
Subtract with models
1. Subtract with cubes - numbers up to 10 2. Subtract with pictures - numbers up to 10 3. Write subtraction sentences for pictures - up to 10 Also consider: • Subtraction sentences up to 10 - which model matches? • Subtraction sentences up to 10 - what does the model show?
Subtract numbers		1. Subtract - numbers up to 10 2. Make a number using subtraction - numbers up to 10 3. Complete the subtraction sentence - numbers up to 10
Subtract numbers
1. Subtract - numbers up to 10 2. Make a number using subtraction - numbers up to 10 3. Complete the subtraction sentence - numbers up to 10
Add and subtract numbers		1. Add or subtract - numbers up to 10 2. Addition and subtraction - ways to make a number
Add and subtract numbers
1. Add or subtract - numbers up to 10 2. Addition and subtraction - ways to make a number

5	Unit 5 Composing and Decomposing Numbers to 10
Section A - Make and Break Apart Numbers to 9
Make and break apart numbers		1. Take apart numbers using cubes - sums up to 10 2. Find different ways to make a number
Make and break apart numbers
1. Take apart numbers using cubes - sums up to 10 2. Find different ways to make a number
Section B - More Types of Story Problems
Addition and subtraction story problems		1. Subtraction sentences for word problems - up to 10 2. Model and write addition sentences for word problems - sums up to 10 3. "Take apart" word problems with both addends unknown - up to 10
Addition and subtraction story problems
1. Subtraction sentences for word problems - up to 10 2. Model and write addition sentences for word problems - sums up to 10 3. "Take apart" word problems with both addends unknown - up to 10
Section C - Make and Break Apart 10
Make and break apart 10		1. Count to fill a ten frame 2. Take apart 10 using cubes 3. Take apart 10 - addition sentences 4. Complete the addition sentence to make 10 - with models 5. Complete the addition sentence to make 10
Make and break apart 10
1. Count to fill a ten frame 2. Take apart 10 using cubes 3. Take apart 10 - addition sentences 4. Complete the addition sentence to make 10 - with models 5. Complete the addition sentence to make 10

6	Unit 6 Numbers 0–20
Section A - Count Groups of 11–20 Objects
Count up to 20		1. Identify numbers - up to 20 2. Count pictures - up to 20 3. Count blocks - up to 20 4. Count pictures in arrays and circles - up to 20 5. Count on ten frames - up to 20 6. Show numbers on ten frames - up to 20 7. Represent numbers - up to 20
Count up to 20
1. Identify numbers - up to 20 2. Count pictures - up to 20 3. Count blocks - up to 20 4. Count pictures in arrays and circles - up to 20 5. Count on ten frames - up to 20 6. Show numbers on ten frames - up to 20 7. Represent numbers - up to 20
Section B - Ones and Some More
Count tens and ones		1. Understand tens and ones - up to 20 2. Make and take apart teen numbers: tens and ones
Count tens and ones
1. Understand tens and ones - up to 20 2. Make and take apart teen numbers: tens and ones
Make teen numbers		1. Make teen numbers with models: words 2. Make teen numbers: words 3. Take apart teen numbers with models: words 4. Take apart teen numbers: words 5. Make teen numbers: addition sentences 6. Take apart teen numbers: addition sentences
Make teen numbers
1. Make teen numbers with models: words 2. Make teen numbers: words 3. Take apart teen numbers with models: words 4. Take apart teen numbers: words 5. Make teen numbers: addition sentences 6. Take apart teen numbers: addition sentences
Section C - Count Groups of 11–20 Images
Count numbers up to 20		1. Count up to find the next number - up to 20 2. Count up and down to find the next number - up to 20 3. Count forward - up to 20
Count numbers up to 20
1. Count up to find the next number - up to 20 2. Count up and down to find the next number - up to 20 3. Count forward - up to 20

7	Unit 7 Solid Shapes All Around Us
Section A - Compose and Count with Flat Shapes
Compose two-dimensional shapes		1. Compose two-dimensional shapes using up to 4 smaller shapes 2. Compose two-dimensional shapes using up to 5 smaller shapes
Compose two-dimensional shapes
1. Compose two-dimensional shapes using up to 4 smaller shapes 2. Compose two-dimensional shapes using up to 5 smaller shapes
Section B - Describe, Compare, and Create Solid Shapes
Compare flat and solid shapes		1. Flat and solid shapes Also consider: • Identify shapes traced from solids
Compare flat and solid shapes
1. Flat and solid shapes Also consider: • Identify shapes traced from solids
Compare attributes		1. Light and heavy 2. Holds more or less Also consider: • Tall and short • Wide and narrow • Covers more or less
Compare attributes
1. Light and heavy 2. Holds more or less Also consider: • Tall and short • Wide and narrow • Covers more or less
Identify solid shapes		1. Spheres 2. Cubes 3. Cones 4. Cylinders 5. Name the three-dimensional shape 6. Select three-dimensional shapes
Identify solid shapes
1. Spheres 2. Cubes 3. Cones 4. Cylinders 5. Name the three-dimensional shape 6. Select three-dimensional shapes
Describe solid shapes		1. Count vertices, edges, and faces 2. Three-dimensional shapes in the real world I 3. Three-dimensional shapes in the real world II 4. Three-dimensional shapes - above and below 5. Three-dimensional shapes - beside and next to
Describe solid shapes
1. Count vertices, edges, and faces 2. Three-dimensional shapes in the real world I 3. Three-dimensional shapes in the real world II 4. Three-dimensional shapes - above and below 5. Three-dimensional shapes - beside and next to

8	Unit 8 Putting It All Together
Section A - Counting and Comparing
Compare groups		1. Fewer and more - up to 20
Compare groups
1. Fewer and more - up to 20
Count and order numbers up to 20		1. Complete an increasing sequence - up to 20 2. Complete a sequence - up to 20 3. Put numbers up to 20 in order
Count and order numbers up to 20
1. Complete an increasing sequence - up to 20 2. Complete a sequence - up to 20 3. Put numbers up to 20 in order
Section B - Math in Our School
Addition and subtraction story problems		1. Addition and subtraction word problems - up to 20 Also consider: • Add three numbers - word problems
Addition and subtraction story problems
1. Addition and subtraction word problems - up to 20 Also consider: • Add three numbers - word problems
Section C - Fluency Within 5
Add up to 5		1. Add with cubes - sums up to 5 2. Addition sentences up to 5 - which model matches? 3. Addition sentences up to 5 - what does the model show? 4. Make a number using addition - sums up to 5 5. Complete the addition sentence - sums up to 5
Add up to 5
1. Add with cubes - sums up to 5 2. Addition sentences up to 5 - which model matches? 3. Addition sentences up to 5 - what does the model show? 4. Make a number using addition - sums up to 5 5. Complete the addition sentence - sums up to 5
Subtract up to 5		1. Subtract with cubes - numbers up to 5 2. Subtraction sentences up to 5 - which model matches? 3. Subtraction sentences up to 5 - what does the model show? 4. Make a number using subtraction - numbers up to 5 5. Complete the subtraction sentence - numbers up to 5
Subtract up to 5
1. Subtract with cubes - numbers up to 5 2. Subtraction sentences up to 5 - which model matches? 3. Subtraction sentences up to 5 - what does the model show? 4. Make a number using subtraction - numbers up to 5 5. Complete the subtraction sentence - numbers up to 5
Make 5		1. Complete the addition sentence to make 5 2. Make 5 using addition 3. Take apart 5
Make 5
1. Complete the addition sentence to make 5 2. Make 5 using addition 3. Take apart 5
Section D - All About 10
Make and break apart numbers		1. Ways to make a number - addition sentences up to 10 2. Make and take apart teen numbers: addition sentences
Make and break apart numbers
1. Ways to make a number - addition sentences up to 10 2. Make and take apart teen numbers: addition sentences

This document includes the IXL® skill alignments to Open Up Resources's Open Up Resources curriculum. IXL provides skill alignments as a service to teachers, students, and parents. The skill alignments are provided by IXL and are not affiliated with, sponsored by, reviewed, approved or endorsed by Open Up Resources or any other third party. IXL® and IXL Learning® are registered trademarks of IXL Learning, Inc. All other intellectual property rights (e.g., unregistered and registered trademarks and copyrights) are the property of their respective owners.