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