IXL Skill Plan | Illinois Priority Learning Standards: Grade 1

Illinois Priority Learning Standards: Grade 1

Skills available for Illinois first-grade math standards

Section

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

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1.OA	Operations and Algebraic Thinking
1.OA.A Represent and solve problems involving addition and subtraction.
1.OA.A.1 Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.		Addition word problems up to 10 1. Addition word problems with pictures - sums up to 10 2. Write addition sentences for word problems with pictures - sums up to 10 3. Build cube trains to solve addition word problems - sums up to 10 4. Addition word problems - sums up to 10 5. Model and write addition sentences for word problems - sums up to 10 6. Addition sentences for word problems - sums up to 10 Subtraction word problems up to 10 7. Subtraction word problems with pictures - up to 10 8. Write subtraction sentences for word problems with pictures - up to 10 9. Use cube trains to solve subtraction word problems - up to 10 10. Subtraction word problems - up to 10 11. Model and write subtraction sentences for word problems - up to 10 12. Subtraction sentences for word problems - up to 10 "Add to" and "take from" word problems up to 10 13. Word problems with change unknown - up to 10 14. Word problems with start unknown - up to 10 "Put together" and "take apart" word problems up to 10 15. Subtraction sentences for "take apart" word problems - up to 10 16. Word problems with one addend unknown - up to 10 17. Word problems with both addends unknown - up to 10 Comparison word problems up to 10 18. Comparison word problems up to 10: how many more? 19. Subtraction sentences for comparison word problems up to 10: how many more? 20. Comparison word problems up to 10: how many fewer? 21. Subtraction sentences for comparison word problems up to 10: how many fewer? 22. Comparison word problems up to 10: how many more or fewer? 23. Subtraction sentences for comparison word problems up to 10: how many more or fewer? 24. Comparison word problems up to 10: what is the larger amount? 25. Comparison word problems up to 10: what is the smaller amount? 26. Comparison word problems up to 10 Mixed operation word problems up to 10 27. Addition and subtraction word problems with pictures - up to 10 28. Use cube trains to solve addition and subtraction word problems - up to 10 29. Word problems with unknown sums and differences - up to 10 30. Addition and subtraction sentences for word problems - up to 10 31. Word problems involving addition and subtraction - up to 10 32. Match word problems to addition and subtraction sentences - up to 10 Addition word problems up to 20 33. Addition word problems with models - sums up to 20 34. Addition word problems - sums up to 20 35. Addition sentences for word problems - sums up to 20 Subtraction word problems up to 20 36. Subtraction word problems with models - up to 20 37. Subtraction word problems - up to 20 38. Subtraction sentences for word problems - up to 20 "Add to" and "take from" word problems up to 20 39. Word problems with change unknown - up to 20 40. Write number sentences for word problems with change unknown - up to 20 41. Word problems with start unknown - up to 20 42. Write number sentences for word problems with start unknown - up to 20 "Put together" and "take apart" word problems up to 20 43. Word problems with one addend unknown - up to 20 44. Write number sentences for word problems with one addend unknown - up to 20 45. Word problems with both addends unknown - up to 20 Comparison word problems up to 20 46. Comparison word problems up to 20: how many more or fewer? 47. Comparison word problems up to 20: what is the larger amount? 48. Comparison word problems up to 20: what is the smaller amount? 49. Comparison word problems up to 20: part 1 50. Comparison word problems up to 20: part 2 51. Write number sentences for comparison word problems - up to 20 Mixed operation word problems up to 20 52. Word problems with sum or difference unknown - up to 20 53. Addition and subtraction sentences for word problems - up to 20 54. Use models to solve word problems involving addition and subtraction - up to 20 55. Word problems involving addition and subtraction without comparisons - up to 20 56. Write number sentences for word problems without comparisons - up to 20 57. Word problems involving addition and subtraction - up to 20 58. Write number sentences for word problems - up to 20 59. Match word problems to addition and subtraction sentences - up to 20
1.OA.A.1 Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.
Addition word problems up to 10 1. Addition word problems with pictures - sums up to 10 2. Write addition sentences for word problems with pictures - sums up to 10 3. Build cube trains to solve addition word problems - sums up to 10 4. Addition word problems - sums up to 10 5. Model and write addition sentences for word problems - sums up to 10 6. Addition sentences for word problems - sums up to 10 Subtraction word problems up to 10 7. Subtraction word problems with pictures - up to 10 8. Write subtraction sentences for word problems with pictures - up to 10 9. Use cube trains to solve subtraction word problems - up to 10 10. Subtraction word problems - up to 10 11. Model and write subtraction sentences for word problems - up to 10 12. Subtraction sentences for word problems - up to 10 "Add to" and "take from" word problems up to 10 13. Word problems with change unknown - up to 10 14. Word problems with start unknown - up to 10 "Put together" and "take apart" word problems up to 10 15. Subtraction sentences for "take apart" word problems - up to 10 16. Word problems with one addend unknown - up to 10 17. Word problems with both addends unknown - up to 10 Comparison word problems up to 10 18. Comparison word problems up to 10: how many more? 19. Subtraction sentences for comparison word problems up to 10: how many more? 20. Comparison word problems up to 10: how many fewer? 21. Subtraction sentences for comparison word problems up to 10: how many fewer? 22. Comparison word problems up to 10: how many more or fewer? 23. Subtraction sentences for comparison word problems up to 10: how many more or fewer? 24. Comparison word problems up to 10: what is the larger amount? 25. Comparison word problems up to 10: what is the smaller amount? 26. Comparison word problems up to 10 Mixed operation word problems up to 10 27. Addition and subtraction word problems with pictures - up to 10 28. Use cube trains to solve addition and subtraction word problems - up to 10 29. Word problems with unknown sums and differences - up to 10 30. Addition and subtraction sentences for word problems - up to 10 31. Word problems involving addition and subtraction - up to 10 32. Match word problems to addition and subtraction sentences - up to 10 Addition word problems up to 20 33. Addition word problems with models - sums up to 20 34. Addition word problems - sums up to 20 35. Addition sentences for word problems - sums up to 20 Subtraction word problems up to 20 36. Subtraction word problems with models - up to 20 37. Subtraction word problems - up to 20 38. Subtraction sentences for word problems - up to 20 "Add to" and "take from" word problems up to 20 39. Word problems with change unknown - up to 20 40. Write number sentences for word problems with change unknown - up to 20 41. Word problems with start unknown - up to 20 42. Write number sentences for word problems with start unknown - up to 20 "Put together" and "take apart" word problems up to 20 43. Word problems with one addend unknown - up to 20 44. Write number sentences for word problems with one addend unknown - up to 20 45. Word problems with both addends unknown - up to 20 Comparison word problems up to 20 46. Comparison word problems up to 20: how many more or fewer? 47. Comparison word problems up to 20: what is the larger amount? 48. Comparison word problems up to 20: what is the smaller amount? 49. Comparison word problems up to 20: part 1 50. Comparison word problems up to 20: part 2 51. Write number sentences for comparison word problems - up to 20 Mixed operation word problems up to 20 52. Word problems with sum or difference unknown - up to 20 53. Addition and subtraction sentences for word problems - up to 20 54. Use models to solve word problems involving addition and subtraction - up to 20 55. Word problems involving addition and subtraction without comparisons - up to 20 56. Write number sentences for word problems without comparisons - up to 20 57. Word problems involving addition and subtraction - up to 20 58. Write number sentences for word problems - up to 20 59. Match word problems to addition and subtraction sentences - up to 20
1.OA.D Work with addition and subtraction equations.
1.OA.D.7 Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false.		Addition 1. Addition sentences: true or false? 2. Addition sentences: which is true? Subtraction 3. Subtraction sentences: true or false? 4. Subtraction sentences: which is true? Mixed operations 5. Addition and subtraction sentences to 10: which is true? 6. Which sign makes the number sentence true? - up to 10 7. Addition and subtraction sentences to 20: which is true? 8. Which sign makes the number sentence true? 9. Complete addition and subtraction equations - up to 20
1.OA.D.7 Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false.
Addition 1. Addition sentences: true or false? 2. Addition sentences: which is true? Subtraction 3. Subtraction sentences: true or false? 4. Subtraction sentences: which is true? Mixed operations 5. Addition and subtraction sentences to 10: which is true? 6. Which sign makes the number sentence true? - up to 10 7. Addition and subtraction sentences to 20: which is true? 8. Which sign makes the number sentence true? 9. Complete addition and subtraction equations - up to 20

1.NBT	Number and Operations in Base Ten
1.NBT.B Understand place value.
1.NBT.B.2 Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:		1. Hundred chart 2. Build two-digit numbers 3. Build and break apart two-digit numbers - with models 4. Place value models for two-digit numbers 5. Build and break apart two-digit numbers - without models 6. Ways to make a number - tens and ones
1.NBT.B.2 Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
1. Hundred chart 2. Build two-digit numbers 3. Build and break apart two-digit numbers - with models 4. Place value models for two-digit numbers 5. Build and break apart two-digit numbers - without models 6. Ways to make a number - tens and ones
1.NBT.B.2a: 10 can be thought of as a bundle of ten ones - called a "ten."
1.NBT.B.2a: 10 can be thought of as a bundle of ten ones - called a "ten."

1.NBT.B.2b: The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.		1. Make teen numbers: addition sentences 2. Take apart teen numbers: addition sentences 3. Make and take apart teen numbers: addition sentences 4. Build and break apart teen numbers 5. Place value models up to 20
1.NBT.B.2b: The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
1. Make teen numbers: addition sentences 2. Take apart teen numbers: addition sentences 3. Make and take apart teen numbers: addition sentences 4. Build and break apart teen numbers 5. Place value models up to 20
1.NBT.B.2c: The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).		1. Build and break apart multiples of ten
1.NBT.B.2c: The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).
1. Build and break apart multiples of ten
1.NBT.C Use place value understanding and properties of operations to add and subtract.
1.NBT.C.4 Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, 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 and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.		Regroup tens and ones 1. Regroup tens and ones - ways to make a number 2. Regroup tens and ones Add a two-digit number and one-digit number 3. Use models to add a multiple of ten and a one-digit number 4. Add a multiple of ten and a one-digit number 5. Use models to add a two-digit and a one-digit number - without regrouping 6. Add a two-digit and a one-digit number - without regrouping 7. Add by counting on - sums to 100 8. Use models to add a two-digit and a one-digit number - with regrouping 9. Add a two-digit and a one-digit number - with regrouping Add a two-digit number and a multiple of ten 10. Add multiples of ten 11. Use models to add a multiple of ten and a two-digit number 12. Add a multiple of ten and a two-digit number Add two-digit numbers 13. Use models to add two-digit numbers - without regrouping 14. Use place value to add two-digit numbers - without regrouping 15. Add two-digit numbers without regrouping - sums to 100 16. Use models to add two-digit numbers - with regrouping 17. Use place value to add two-digit numbers - with regrouping 18. Add two-digit numbers with regrouping - sums to 100 Use a hundred chart to add 19. Use a hundred chart to add tens or ones - without regrouping 20. Use a hundred chart to add ones - with regrouping
1.NBT.C.4 Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, 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 and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.
Regroup tens and ones 1. Regroup tens and ones - ways to make a number 2. Regroup tens and ones Add a two-digit number and one-digit number 3. Use models to add a multiple of ten and a one-digit number 4. Add a multiple of ten and a one-digit number 5. Use models to add a two-digit and a one-digit number - without regrouping 6. Add a two-digit and a one-digit number - without regrouping 7. Add by counting on - sums to 100 8. Use models to add a two-digit and a one-digit number - with regrouping 9. Add a two-digit and a one-digit number - with regrouping Add a two-digit number and a multiple of ten 10. Add multiples of ten 11. Use models to add a multiple of ten and a two-digit number 12. Add a multiple of ten and a two-digit number Add two-digit numbers 13. Use models to add two-digit numbers - without regrouping 14. Use place value to add two-digit numbers - without regrouping 15. Add two-digit numbers without regrouping - sums to 100 16. Use models to add two-digit numbers - with regrouping 17. Use place value to add two-digit numbers - with regrouping 18. Add two-digit numbers with regrouping - sums to 100 Use a hundred chart to add 19. Use a hundred chart to add tens or ones - without regrouping 20. Use a hundred chart to add ones - with regrouping

1.NBT.C.6 Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences), 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 and explain the reasoning used.		1. Subtract multiples of ten
1.NBT.C.6 Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences), 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 and explain the reasoning used.
1. Subtract multiples of ten

1.MD	Measurement and Data
1.MD.B Tell and write time.
1.MD.B.3 Tell and write time in hours and half-hours using analog and digital clocks.		1. Match digital clocks and times 2. Match analog clocks and times with words: to the hour 3. Match analog clocks and times with words: to the half hour 4. Match analog clocks and times: to the half hour 5. Match analog and digital clocks: to the half hour 6. Read clocks and write times
1.MD.B.3 Tell and write time in hours and half-hours using analog and digital clocks.
1. Match digital clocks and times 2. Match analog clocks and times with words: to the hour 3. Match analog clocks and times with words: to the half hour 4. Match analog clocks and times: to the half hour 5. Match analog and digital clocks: to the half hour 6. Read clocks and write times