Level 1
Find the following values without a calculator.

Simplify your answers.
  1. 235 + 115 = _____
  2. 1310 + 2510 = _____
  3. 245 + 110
  4. 313 + 416
2 m
Level 1
Find the following values without a calculator.

Simplify your answers.
  1. 35 - 15 = _____
  2. 510 - 310 = _____
  3. 78 - 14 = _____
  4. 710 - 15 = _____
2 m
Level 1
Find the following values without a calculator.
  1. 14 + 24 = _____
  2. 34 + 24 = _____
  3. 14 + 12 = _____
  4. 25 + 110 = _____
2 m
Level 1
Find the following values without a calculator.
  1. 16 + _____ = 1
  2. 815 + _____ = 1
  3. 718 + _____ = 11118
  4. 1219 + 2319 = _____
2 m
Level 1
Find the following values without a calculator.
  1. 5 + 23 = _____
  2. 513 + 23 = _____
  3. 514 + 24 = _____
  4. 523 + 412 = _____
2 m
Level 1
Find the following values without a calculator.  
  1. 58 - 18 = _____ (Do not simplify the answer.)
  2. 58 - 18 = _____ (Simplify the answer.)
  3. 12 - 14 = _____
  4. 25 - 110 = _____
2 m
Level 1
Find the following values without a calculator.
  1. 9 - 67 = _____
  2. 325 - 110 = _____
  3. 325 - 1110 = _____
  4. 3110 - 25 = _____
2 m
Level 1
Find the following values without a calculator.

Do not simplify your answers.
  1. 19 + 29 + 49 = _____
  2. 215 + 115 + 715 = _____
  3. 4 + 18 + 28 = _____
2 m
Level 1
Find the following values without a calculator.

Do not simplify your answers.
  1. 89 - 19 - 29 = _____
  2. 1920 - 720 - 110 = _____
  3. 5 - 14 - 24 = _____
2 m
Level 1
Find the following values without a calculator.
Do not simplify your answers.
  1. 1 - 12 = _____
  2. 2 - 34 = _____
  3. 10 - 211 = _____
  4. 23 - 278 = _____
3 m