51 P4.ST.JC.18120908
Level 1
There are 2300 marbles in total.
800 are red marbles.
The rest are blue marbles.
How many less red marbles than blue marbles are there?
2 m
W Addition & subtraction Model Comparison
52 P1.ST.JC.18120608
Level 1
Adam has 3 stickers.
Bryan has 2 less stickers than Adam.
How many stickers does Bryan 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 B has =
4 m
W Addition & subtraction Model Comparison
53 P3.ST.JC.18120822
Level 2
Fill in the blanks with units or unit equations.
70 children are in a school.
There are 30 less girls than boys.

  1. Number of boys = _____
  2. Number of more boys than girls = _____
  3. Total number of children = _____
  4. 1 u = _____
4 m
W Addition & subtraction Model Comparison Units method
54 P5.PA.JM.17083164
Level 1
What is the missing number in the pattern? 26000, 25450,               , 24350, 23800
1 m
Equal intervals W Addition & subtraction
55 P3.PA.JM.17110354
Level 1
What are the missing numbers?
1222, (a)         , 1242, 1252, (b)         , 1272
1 m
Equal intervals W Addition & subtraction
56 P6.MS.JC.18031209
Level 1
Find the following values without a calculator.
  1. 15 - 8 = _______
  2. 18 - 16 = _______
  3. 20 - 12 = _______
  4. 24 - 17 = _______
1 m
W Addition & subtraction
57 P1.MS.TL.18081708
Level 2
Find the following values without a calculator.
  1. 2 + ____ = 10
  2. 3 + ____ = 10
  3. ____ + 6 = 10
  4. ____ + 8 = 10
2 m
W Addition & subtraction
58 P2.MS.JC.18072012
Level 1
Find the following values without a calculator.
  1. 7 tens 9 ones = _____
  2. 3 hundreds 6 ones = _____
  3. 6 hundreds 2 tens = _____
2 m
W Place values W Addition & subtraction
59 P3.MS.JC.18082007
Level 1
Find the following values without a calculator.
  1. 20 - 5 = _____
  2. 16 + 3 = _____
  3. 23 - 8 = _____
1 m
W Addition & subtraction
60 P1.ST.JC.18120609
Level 1
Adam and Bryan have 10 stickers.
Adam has 6 stickers.

  1. Who has more stickers?
    (1) Adam
    (2) Bryan
  2. How many more stickers?
2 m
W Addition & subtraction More than or less than Model Comparison

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