IXL skill plan | 2nd grade plan for the Alabama Critical Standards

Skill plan for the Alabama Critical Standards - 2nd grade

IXL provides skill alignments with recommended IXL skills for every student. Find the IXL skills that are right for you below!

Domain

Operations and Algebraic Thinking
Number and Operations in Base Ten
Measurement and Data
Geometry

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Operations and Algebraic Thinking
Represent and solve problems involving addition and subtraction.
2.OA.1: Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.		One-digit addition 1. Addition word problems - sums to 20 2. Addition sentences for word problems - sums to 20 3. Addition word problems - three one-digit numbers 4. Addition word problems - four or more one-digit numbers One-digit subtraction 5. Subtraction word problems - up to 20 6. Subtraction sentences for word problems - up to 20 Two-digit addition 7. Addition word problems - up to two digits 8. Write the addition sentence - up to two digits 9. Addition word problems - three numbers up to two digits each 10. Addition word problems - four numbers up to two digits each Two-digit subtraction 11. Subtraction word problems - up to two digits 12. Write the subtraction sentence - up to two digits Mixed operations 13. Addition and subtraction word problems - up to 20 14. Addition and subtraction word problems - up to 100 15. Two-step addition and subtraction word problems - up to 100
2.OA.1: Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.
One-digit addition 1. Addition word problems - sums to 20 2. Addition sentences for word problems - sums to 20 3. Addition word problems - three one-digit numbers 4. Addition word problems - four or more one-digit numbers One-digit subtraction 5. Subtraction word problems - up to 20 6. Subtraction sentences for word problems - up to 20 Two-digit addition 7. Addition word problems - up to two digits 8. Write the addition sentence - up to two digits 9. Addition word problems - three numbers up to two digits each 10. Addition word problems - four numbers up to two digits each Two-digit subtraction 11. Subtraction word problems - up to two digits 12. Write the subtraction sentence - up to two digits Mixed operations 13. Addition and subtraction word problems - up to 20 14. Addition and subtraction word problems - up to 100 15. Two-step addition and subtraction word problems - up to 100
Add and subtract within 20.
2.OA.2: Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.		Add within 10 1. Add one-digit numbers - sums to 10 2. Ways to make a number using addition - sums to 10 Add within 20 3. Add one-digit numbers - sums to 20 4. Add zero 5. Add doubles 6. Add doubles - complete the sentence 7. Make ten to add 8. Complete the addition sentence - sums to 20 9. Which addition sentence is true? - sums to 20 10. Add three one-digit numbers Subtract within 10 11. Subtract one-digit numbers - up to 10 12. Ways to make a number using subtraction - up to 10 Subtract within 20 13. Subtract doubles 14. Subtract a one-digit number from a two-digit number up to 20 15. Subtract zero or all 16. Complete the subtraction sentence - up to 20 17. Which subtraction sentence is true? - up to 20 Mixed operations 18. Addition and subtraction - up to 20 19. Ways to make a number using addition and subtraction - up to 20 20. Which addition or subtraction sentence is true? - up to 20
2.OA.2: Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
Add within 10 1. Add one-digit numbers - sums to 10 2. Ways to make a number using addition - sums to 10 Add within 20 3. Add one-digit numbers - sums to 20 4. Add zero 5. Add doubles 6. Add doubles - complete the sentence 7. Make ten to add 8. Complete the addition sentence - sums to 20 9. Which addition sentence is true? - sums to 20 10. Add three one-digit numbers Subtract within 10 11. Subtract one-digit numbers - up to 10 12. Ways to make a number using subtraction - up to 10 Subtract within 20 13. Subtract doubles 14. Subtract a one-digit number from a two-digit number up to 20 15. Subtract zero or all 16. Complete the subtraction sentence - up to 20 17. Which subtraction sentence is true? - up to 20 Mixed operations 18. Addition and subtraction - up to 20 19. Ways to make a number using addition and subtraction - up to 20 20. Which addition or subtraction sentence is true? - up to 20
Work with equal groups of objects to gain foundations for multiplication.
2.OA.4: Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.		Sums to 10 1. Identify repeated addition for arrays - sums to 10 2. Write addition sentences for arrays - sums to 10 Sums to 25 3. Identify repeated addition for arrays - sums to 25 4. Write addition sentences for arrays - sums to 25
2.OA.4: Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.
Sums to 10 1. Identify repeated addition for arrays - sums to 10 2. Write addition sentences for arrays - sums to 10 Sums to 25 3. Identify repeated addition for arrays - sums to 25 4. Write addition sentences for arrays - sums to 25

Number and Operations in Base Ten
Understand place value.
2.NBT.5: Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:		1. Place value models - up to hundreds 2. Identify a digit up to the hundreds place 3. Value of a digit - up to hundreds 4. Convert to/from a number - up to hundreds
2.NBT.5: Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:
1. Place value models - up to hundreds 2. Identify a digit up to the hundreds place 3. Value of a digit - up to hundreds 4. Convert to/from a number - up to hundreds
2.NBT.5.a: 100 can be thought of as a bundle of ten tens - called a "hundred."
2.NBT.5.a: 100 can be thought of as a bundle of ten tens - called a "hundred."

2.NBT.5.b: The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones).		1. Convert between place values - ones and hundreds
2.NBT.5.b: The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones).
1. Convert between place values - ones and hundreds
Use place value understanding and properties of operations to add and subtract.
2.NBT.9: Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.		Place value strategies 1. Add zero 2. Add a multiple of 10 to a two-digit number 3. Subtract a multiple of 10 from a two-digit number Addition 4. Use models to add a two-digit and a one-digit number - without regrouping 5. Use models to add a two-digit and a one-digit number - with regrouping 6. Add a two-digit and a one-digit number - without regrouping 7. Add a two-digit and a one-digit number - with regrouping 8. Use models to add two-digit numbers - without regrouping 9. Add two-digit numbers without regrouping - sums to 100 10. Add two-digit numbers with regrouping - sums to 100 11. Use compensation to add - up to two digits 12. Ways to make a number using addition Subtraction 13. Subtract a one-digit number from a two-digit number - without regrouping 14. Subtract a one-digit number from a two-digit number - with regrouping 15. Subtract two-digit numbers - without regrouping 16. Subtract two-digit numbers - with regrouping 17. Ways to make a number using subtraction Relationship between addition and subtraction 18. Complete the addition sentence - up to two digits 19. Complete the subtraction sentence - up to two digits Mixed operations 20. Add and subtract numbers - up to 100 21. Ways to make a number using addition and subtraction - up to 100 22. Which sign (+ or -) makes the number sentence true? - up to 100
2.NBT.9: Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Place value strategies 1. Add zero 2. Add a multiple of 10 to a two-digit number 3. Subtract a multiple of 10 from a two-digit number Addition 4. Use models to add a two-digit and a one-digit number - without regrouping 5. Use models to add a two-digit and a one-digit number - with regrouping 6. Add a two-digit and a one-digit number - without regrouping 7. Add a two-digit and a one-digit number - with regrouping 8. Use models to add two-digit numbers - without regrouping 9. Add two-digit numbers without regrouping - sums to 100 10. Add two-digit numbers with regrouping - sums to 100 11. Use compensation to add - up to two digits 12. Ways to make a number using addition Subtraction 13. Subtract a one-digit number from a two-digit number - without regrouping 14. Subtract a one-digit number from a two-digit number - with regrouping 15. Subtract two-digit numbers - without regrouping 16. Subtract two-digit numbers - with regrouping 17. Ways to make a number using subtraction Relationship between addition and subtraction 18. Complete the addition sentence - up to two digits 19. Complete the subtraction sentence - up to two digits Mixed operations 20. Add and subtract numbers - up to 100 21. Ways to make a number using addition and subtraction - up to 100 22. Which sign (+ or -) makes the number sentence true? - up to 100

2.NBT.11: Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.		Place value strategies 1. Add a multiple of 100 to a three-digit number 2. Add a multiple of 10 or 100 to a three-digit number 3. Subtract a multiple of 100 from a three-digit number 4. Subtract a multiple of 10 or 100 from a three-digit number Regroup tens and ones 5. Regroup tens and ones - ways to make a number 6. Regroup tens and ones Addition 7. Add two-digit numbers - sums to 200 8. Use models to add three-digit numbers - without regrouping 9. Use models to add three-digit numbers - with regrouping 10. Addition with three-digit numbers 11. Use compensation to add - up to three digits 12. Addition word problems - up to three digits 13. Write the addition sentence - up to three digits Subtraction 14. Subtract from three-digit numbers 15. Subtract across zeros Relationship between addition and subtraction 16. Complete the addition sentence - up to three digits 17. Complete the subtraction sentence - up to three digits Addition and subtraction 18. Add and subtract numbers up to 1,000
2.NBT.11: Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.
Place value strategies 1. Add a multiple of 100 to a three-digit number 2. Add a multiple of 10 or 100 to a three-digit number 3. Subtract a multiple of 100 from a three-digit number 4. Subtract a multiple of 10 or 100 from a three-digit number Regroup tens and ones 5. Regroup tens and ones - ways to make a number 6. Regroup tens and ones Addition 7. Add two-digit numbers - sums to 200 8. Use models to add three-digit numbers - without regrouping 9. Use models to add three-digit numbers - with regrouping 10. Addition with three-digit numbers 11. Use compensation to add - up to three digits 12. Addition word problems - up to three digits 13. Write the addition sentence - up to three digits Subtraction 14. Subtract from three-digit numbers 15. Subtract across zeros Relationship between addition and subtraction 16. Complete the addition sentence - up to three digits 17. Complete the subtraction sentence - up to three digits Addition and subtraction 18. Add and subtract numbers up to 1,000

Measurement and Data
Relate addition and subtraction to length.
2.MD.18: Use addition and subtraction within 100 to solve word problems involving lengths that are given in the same units, e.g., by using drawings (such as drawings of rulers) and equations with a symbol for the unknown number to represent the problem.		1. Customary units of length: word problems 2. Metric units of length: word problems
2.MD.18: Use addition and subtraction within 100 to solve word problems involving lengths that are given in the same units, e.g., by using drawings (such as drawings of rulers) and equations with a symbol for the unknown number to represent the problem.
1. Customary units of length: word problems 2. Metric units of length: word problems

2.MD.19: Represent whole numbers as lengths from 0 on a number line diagram with equally spaced points corresponding to the numbers 0, 1, 2,..., and represent whole-number sums and differences within 100 on a number line diagram.		1. Number lines - up to 100 2. Number lines - up to 1,000 3. Addition sentences using number lines - sums to 20 4. Subtraction sentences using number lines - up to 20
2.MD.19: Represent whole numbers as lengths from 0 on a number line diagram with equally spaced points corresponding to the numbers 0, 1, 2,..., and represent whole-number sums and differences within 100 on a number line diagram.
1. Number lines - up to 100 2. Number lines - up to 1,000 3. Addition sentences using number lines - sums to 20 4. Subtraction sentences using number lines - up to 20
Represent and interpret data.
2.MD.23: Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems using information presented in a bar graph.		Picture graphs 1. Interpret picture graphs 2. Create picture graphs Bar graphs 3. Interpret bar graphs II 4. Which bar graph is correct? 5. Create bar graphs
2.MD.23: Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems using information presented in a bar graph.
Picture graphs 1. Interpret picture graphs 2. Create picture graphs Bar graphs 3. Interpret bar graphs II 4. Which bar graph is correct? 5. Create bar graphs

Geometry
Reason with shapes and their attributes.
2.G.26: Partition circles and rectangles into two, three, or four equal shares, describe the shares using the words halves, thirds, half of, a third of, etc., and describe the whole as two halves, three thirds, four fourths. Recognize that equal shares of identical wholes need not have the same shape.		1. Equal parts 2. Make halves 3. Make thirds 4. Make fourths 5. Make halves, thirds, and fourths 6. Make halves, thirds, and fourths in different ways
2.G.26: Partition circles and rectangles into two, three, or four equal shares, describe the shares using the words halves, thirds, half of, a third of, etc., and describe the whole as two halves, three thirds, four fourths. Recognize that equal shares of identical wholes need not have the same shape.
1. Equal parts 2. Make halves 3. Make thirds 4. Make fourths 5. Make halves, thirds, and fourths 6. Make halves, thirds, and fourths in different ways

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