151 P4.WN.JM.17102104
Level 1
Based on the number sequences, find the missing values.

(1) 789 + 95 = 789 + 100 - 5
(2) 897 + 998 = 897 + 1000 - 2
(3) 42978 + 9994 = 42 978 + 10000 - 6
(4) 234586 + 99998 = 234586 + (a) _____ - (b) _____
1 m
W Addition & subtraction
152 P1.MS.TL.18081726
Level 1
Find the following values without a calculator.
  1. 28 - 7 = _____
  2. 31 - 20 = _____
  3. 35 - 22 =_____
2 m
W Addition & subtraction
153 P2.MS.JC.18072021
Level 1
Find the following values without a calculator.
  1. 5 - 4 = _____
  2. 9 - 3 = _____
  3. 13 - 4 = _____
  4. 16 - 7 = _____
2 m
W Addition & subtraction
154 P3.MS.JC.18072049
Level 1
Find the following values without a calculator.
  1. 2563 + 6 = _____
  2. 3472 + 21 = _____
  3. 4624 + 315 = _____
  4. 5321 + 1260 = _____
3 m
W Addition & subtraction
155 P4.MS.TL.18082217
Level 1
Find the following values without a calculator.
  1. 10 - 6 = _____
  2. 100 - 32 = _____
  3. 40 - 20 = _____
  4. 300 - 56 =_____
1 m
W Addition & subtraction
156 P1.ME.JC.18102719
Level 2
Look at the picture.
The total length of Key 2 and Key 4 is _____ units.
2 m
Length W Addition & subtraction
157 P4.ST.JC.18120901
Level 1
Adam has 1800 red stickers, 2400 blue stickers and 1200 yellow stickers.
After some stickers are given away,
Adam has 3000 stickers left.
How many stickers are given away?
2 m
W Addition & subtraction Model Part-whole
158 P2.ST.JC.18120718
Level 2
Adam and Bryan have 10 stickers.
Adam has 2 more 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
W Addition & subtraction Model Comparison
159 P1.ST.JC.18120618
Level 2
In a queue, Adam is the 3rd child.
There are 2 boys and 3 girls behind him.
How many children are there altogether?
2 m
W Addition & subtraction Diagram
160 P3.ST.JC.18120816
Level 2
There are 60 children and some adults.
The number of boys is 20.
If the number of adults is 30 more than the girls.

  1. How many adults are there?
  2. How many people are there?
  3. How many more adults than boys are there?
  4. How many less boys than girls are there?
5 m
W Addition & subtraction Model Comparison

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