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Grade 1 Math — Adding within 10

Add two small numbers with a total of 10 or less.

Name: ________________________

  1. 1.Which sum has the same answer as 3 + 5?

    • a) 5 + 5
    • b) 8 + 3
    • c) 5 + 3
    • d) 3 + 4

  2. 2.Sort each sum by whether the answer is less than 6 or more than 6.

    Groups: Less than 6 · More than 6

    • 3 + 0
    • 5 + 2
    • 6 + 3
    • 2 + 2
    • 3 + 5
    • 1 + 4

  3. 3.3 + 4 = ?

  4. 4.0 + 5 = ?

  5. 5.7 + 3 = ?

  6. 6.4 + 2 = ?

  7. 7.2 + 6 = ?

  8. 8.Put these sums in order, smallest answer first.

    • 2 + 1
    • 6 + 4
    • 3 + 3
    • 5 + 3

Answer key — Grade 1 Math — Adding within 10

  1. 1. c) 5 + 3
  2. 2. 2 + 2 → Less than 6; 6 + 3 → More than 6; 1 + 4 → Less than 6; 5 + 2 → More than 6; 3 + 0 → Less than 6; 3 + 5 → More than 6
  3. 3. 7
  4. 4. 5
  5. 5. 10
  6. 6. 6
  7. 7. 8
  8. 8. 1. 2 + 1 2. 3 + 3 3. 5 + 3 4. 6 + 4