🏆 Competitive Prep🎓 IIT Foundation
‹ All grades

Subtraction

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

1st-grade skills

  1. C.1Subtract with cubes up to 10
  2. C.2Subtract with cubes up to 20

2nd-grade skills

  1. B.1Subtract two-digit numbers vertically
  2. B.2Subtract two-digit numbers with regrouping
  3. M.1Mental subtraction strategies - up to 100
  4. G.1Find the missing number in subtraction equations up to 20
  5. W.1Subtraction word problems up to 100

3rd-grade skills

  1. B.1Subtract three-digit numbers vertically
  2. B.2Subtract three-digit numbers with regrouping
  3. M.1Mental subtraction strategies - up to 1000
  4. W.1Subtraction word problems up to 1000

4th-grade skills

  1. B.1Subtract multi-digit numbers vertically
  2. B.2Subtract multi-digit numbers with regrouping
  3. M.1Mental subtraction strategies - up to 10000

Pre-K skills

  1. X.1Take away cubes - numbers up to 5
  2. X.2Subtract with cubes - numbers up to 5
  3. X.3Subtract with pictures - numbers up to 5
  4. X.4Subtraction sentences up to 5 - which model matches?
  5. X.5Subtraction sentences up to 5 - what does the model show?
  6. X.6Subtraction sentences up to 5 - what does the cube train show?
  7. X.7Subtraction word problems with pictures - numbers up to 5
  8. Y.1Take away cubes - numbers up to 10
  9. Y.2Subtract with cubes - numbers up to 10
  10. Y.3Subtract with pictures - numbers up to 10
  11. Y.4Subtraction sentences up to 10 - which model matches?
  12. Y.5Subtraction sentences up to 10 - what does the model show?
  13. Y.6Subtraction sentences up to 10 - what does the cube train show?
  14. Y.7Subtraction word problems with pictures - numbers up to 10

Remediation skills

  1. R0.1Subtract with cubes up to 5
  2. R0.2Subtract with cubes up to 10
  3. R0.3Write subtraction sentence for pictures up to 5
  4. R0.4Subtract basic facts up to 10