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
Level 1
Find the following values without a calculator.
  1. 11 + 24 = _____
  2. 23 + 8 = _____
  3. 72 + 19 = _____
  4. 89 + 67 = _____
3 m
Level 1
Find the following values without a calculator.
  1. 1207 + 2 = _____
  2. 1034 + 40 = _____
  3. 2301 + 100 = _____
  4. 4312 + 3000 = _____
3 m
Level 1
Find the following values without a calculator.
  1. 300 + 20 + 5 = _____
  2. 2000 + 100 + 30 = _____
  3. 1000 + 500 + 1 = _____
  4. 2000 + 600 + 20 = _____
1 m
Level 1
Find the following values without a calculator.
  1. 1 hundred + 7 = _____
  2. 3 hundreds + 8 tens = _____
  3. 4 thousands + 5 tens = _____
  4. 2 thousands + 12 tens = _____
1 m
Level 2
Adam and Bryan have 100 stickers.
Adam has 20 less stickers than Bryan.
Find the number of stickers that Adam has.

  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 Adam 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 less 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 less than Bryan and
30 stickers more 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 2
Adam, Bryan and Chris have 700 stickers.
Adam has 100 stickers.
Bryan has 200 stickers.

  1. How many stickers does Chris have?
  2. Who has the most stickers?
  3. Who has the least stickers?
  4. What is the difference in the number of stickers between the one with the most and the one with the least?
5 m
Level 1
635 892 = 600 000 + ____ + 5000 + 800 + 92
1 m
Level 1
Based on the number sequences, find the missing information for (a) and (b).

(1) 867 - 97 = 867 - 100 + 3
(2) 3632 - 970 = 3632 - (a) ________ + (b) ________
(3) 34873 - 9980 = 34873 - 10000 + 20
(4) 234679 - 99998 = 234679 - 100000 + 2
1 m