Level 1
Which number is smaller than 480?
479, 490, 481
1 m
Level 2
What is the length of the line AB?
1 m
Level 1
Find the following values without a calculator.
  1. 51 - 1 = _______
  2. 62 - 7 = _______
  3. 96 - 81 = _______
  4. 25 - 18 = _______
1 m
Level 1
Find the following values without a calculator.
  1. 7 + 5 = _____
  2. 3 + 12 = _____
  3. 6 + 10 = _____
2 m
Level 1
Find the following values without a calculator.
  1. 5 + ____ = 10
  2. 2 + ____ = 10
  3. 7 + ____ = 10
1 m
Level 1
Find the following values without a calculator.
  1. 25 - 10 = _____
  2. 28 - 12 = _____
  3. 32 - 18 = _____
2 m
Level 1
Find the following values without a calculator.

Choose the greatest number.
  1. 54, 65, 46
  2. 345, 435, 534
  3. 443, 344, 343
1 m
Level 1
Find the following values without a calculator.
  1. 2 x 1000 = _____
  2. 43 x 1000 = _____
  3. 567 x 1000 = _____
  4. 7381 x 1000 = _____
1 m
Level 1
1 ten and 4 ones make _____.
1 m
Level 1
Look at the picture.
The fork is about _____ paper clips long.
2 m