Level 1
What is the missing numerator in ?12 + 112 = 12?
2 m
Level 2
What fraction must be added to make 35 1 whole?
2 m
Level 3
Find the following values without a calculator.
Do not simplify the answer.
  1. 15 m + 25 m = _____
  2. 127 kg + 137 kg = _____
  3. 12 km + _____ = 1 km
  4. 1 ℓ - _____ = 14
3 m
Level 1
Find the missing values.
18 + 38 = A8 = B
(a) A
(b) B
2 m
Level 2
Fill in the blank.
14 + 25 = _____
2 m