Level 1
Find the following values without a calculator.
  1. 23145 - 12013 = ______
  2. 56480 - 54230 = _____
  3. 47300 - 23100 = _____
  4. 64000 - 53000 = _____
2 m
Level 1
Find the following values without a calculator.
  1. 2 tens + 3 = _____
  2. 4 hundreds + 5 = _____
  3. 6 hundreds + 7 tens = _____
  4. 51 tens + 23 tens = _____
1 m
Level 2
Adam has 30 stickers.
Bryan has 20 less stickers than Adam.
How many stickers do they have?

  1. Which model should we draw?
    (1) Model Part-whole
    (2) Model Comparison
  2. Is the total given?
    (1) Yes
    (2) No
  3. Who gets the shorter bar?
    (1) Adam
    (2) Bryan
  4. Number of stickers that Bryan has =
4 m
Level 1
Fill in the blanks with units (Eg 1 u) or unit equations (Eg 1 u + 2).
Adam and Bryan have 10 stickers.
Adam has 2 more stickers than Bryan.

  1. Number of stickers that Adam has = _____
  2. Number of stickers that Bryan has = _____
  3. Total number of stickers = _____
  4. 1 u = _____
4 m
Level 2
Fill in the blanks.
Adam has 20 stickers more than Bryan and
30 stickers less than Chris.
Let the number of stickers that Bryan has be 1 u.

  1. Number of stickers that Adam has = 1 u + _____
  2. Number of stickers that Chris has = 1 u + _____
  3. Total number of stickers = 3 u + _____
3 m
Level 1
Bryan has 300 stickers.
Bryan has 100 stickers less than Adam.
  1. How many stickers does Adam have?
  2. What is the total number of stickers they have?
3 m
Level 1
What is the missing number in the blank? 2 000 000 + 50 000 + 8 000 + 700 = _______
1 m
Level 1
The difference of the values of the digits '9' in 9089 is          .
1 m
Level 1
Find the following values without a calculator.
  1. 986 - 314 = _______
  2. 613 - 609 = _______
  3. 7779 - 7775 = _______
  4. 6660 - 6657 = _______
1 m
Level 1
Find the following values without a calculator.
  1. 12 - 10 = _____
  2. 15 - 10 = _____
  3. 17 - 10 = _____
  4. 20 - 10 = _____
2 m