🏆 Competitive Prep🎓 IIT Foundation
‹ All grades

Addition

Here is a list of skills for addition. Skills are organized by level, and each link opens in the shared adaptive practice shell.

1st-grade skills

  1. A.1Addition facts up to 9
  2. A.2Add by counting on - sums up to 20
  3. A.3One more - sums up to 20
  4. A.4Two more - sums up to 20
  5. C.1Add with cubes up to 10
  6. C.2Copy cubes into boxes to add
  7. E.3Addition sentences up to 10: which model matches?
  8. V.7Addition sentences up to 5: what does the model show?
  9. V.8Add visual quantities up to 10
  10. P.1Part-part-whole models - sums up to 10
  11. P.2Number bonds - sums up to 10
  12. Q.5Model and write addition sentences for word problems
  13. Q.6Write addition equations from models up to 10
  14. Q.7Translate addition word problems - sums up to 20
  15. Q.13Sort addition facts - sums up to 20
  16. Q.13bSort addition facts - HTML drag and drop
  17. Q.14Make a number using addition - sums up to 20
  18. R.1Addition word problems with models - sums up to 20
  19. F.1Addition fact fluency - sums up to 20
  20. T.1Add to make teen numbers
  21. N.1Addition jumps on a number line - sums up to 20
  22. N.2Add lengths using object models (NEW)
  23. N.3Add heights using object models (NEW)
  24. C.3Build cubes to show numbers - sums up to 5
  25. C.4Build cubes to show numbers - sums up to 10
  26. C.5Build cubes to show numbers - sums up to 20

2nd-grade skills

  1. B.1Add two-digit numbers vertically
  2. B.2Add two-digit numbers with regrouping
  3. G.3Add three numbers: make 10
  4. D.1Add doubles - sums up to 20
  5. G.4Complete doubles and doubles-plus-one facts
  6. G.5Add three numbers: make 10 vertical
  7. G.6Balance addition equations - sums up to 20
  8. G.7Find the missing addend - sums up to 20
  9. G.8Choose equations with the same sum
  10. H.1Use related addition facts - sums up to 20
  11. M.1Mental addition strategies - sums up to 100
  12. PV.1Add two-digit numbers using place value
  13. MA.1Add three numbers - sums up to 20

3rd-grade skills

  1. PV.3Add three-digit numbers using place value
  2. R.3Add three-digit numbers with regrouping
  3. M.3Mental addition strategies - sums up to 1,000
  4. MA.3Add three multi-digit numbers
  5. ND.3Use decomposition to add within 1,000

4th-grade skills

  1. PV.4Add four-digit numbers using place value
  2. R.4Add four-digit numbers with regrouping
  3. MA.4Add three and more multi-digit numbers
  4. M.4Mental strategies for larger sums

Remediation skills

  1. R0.1Combine two groups up to 5
  2. R0.2Count all objects to add up to 10
  3. R0.3Add one more up to 10
  4. R0.4Add two more up to 10
  5. R0.5Make number bonds to 10
  6. R0.6Find the missing addend up to 10