Level 1
Fill in the blank.
28 + 18 + 48 = _____
1 m
Level 1
Fill in the blank.
123 - 13 = _____
1 m
Level 1
Fill in the blank.
125 - 35 = _____
1 m
Level 1
Fill in the blank.
325 - 135 = _____
1 m
Level 1
6 - 378 =
1 m
Level 1
Fill in the blank.
_____ + 25 = 135
1 m
Level 2
Fill in the blank.
28 + 18 + 38 = _____
1 m
Level 1
Fill in the blank.
1310 - 25 = _____
1 m
Level 1
Fill in the blank.
1110 - 35 = _____
1 m
Level 1
Fill in the blank.
3910 - 115 = _____
1 m
Level 1
Fill in the blank.
434 - 215 = _____
1 m
Level 1
Fill in the blank.
734 - 415 = _____
1 m
Level 1
Fill in the blank.
5112 - 313 = _____
1 m
Level 1
6910 + 335 =
1 m
Level 1
6310 - 345 =
1 m
Level 1
What must be added to 4512 to make 513?
1 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
Level 1
Find the following values without a calculator.

Do not simplify your answers.
  1. 1 m + 23 m =
  2. 25 m + 15 m =
  3. 113 kg + 13 kg =
  4. 115 km + 225 km =
3 m