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SASMO 2018 — Primary 2 (Grade 2)

Question 1

Find $30+40+50+30+40+50+30+40+50$.

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  1. 120
  2. 240
  3. 360
  4. 400
  5. None of the above

Question 2

Find the order of the animals from the shortest to the tallest, using the measuring diagram.

Source excerpt for visual verification:

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  1. Panda, Bear, Cat, Elephant
  2. Elephant, Bear, Panda, Cat
  3. Cat, Panda, Elephant, Bear
  4. Panda, Cat, Elephant, Bear
  5. Panda, Cat, Bear, Elephant

Question 3

If the dots are divided into groups of 3, how many groups are there?

Source excerpt for visual verification:

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  1. 8
  2. 12
  3. 13
  4. 17
  5. 39

Question 4

Which picture is exactly the same as the reference picture?

Source excerpt for visual verification:

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  1. Picture A
  2. Picture B
  3. Picture C
  4. Picture D
  5. Picture E

Question 5

The distance from Nicole’s hotel to Disneyland is 50 kilometres. Given $1000$ metres $=1$ kilometre and $100$ centimetres $=1$ metre, find the distance in centimetres.

Source excerpt for visual verification:

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  1. 500
  2. 5000
  3. 500000
  4. 5000000
  5. 50000000

Question 6

Trevor’s Candy Crush scores on Days 1–5 are shown in the table. During which one-day period was the increase smallest?

Source excerpt for visual verification:

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  1. Day 1 to Day 2
  2. Day 2 to Day 3
  3. Day 3 to Day 4
  4. Day 4 to Day 5

Question 7

Find the next number in $8,10,6,12,4,14,2,\ldots$.

Source excerpt for visual verification:

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  1. 0
  2. 10
  3. 16
  4. 18
  5. None of the above

Question 8

Randy wrote all whole numbers from 49 to 97. How many times did he write the digit 8?

Source excerpt for visual verification:

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  1. 4
  2. 8
  3. 11
  4. 13
  5. None of the above

Question 9

Which statement is NOT true?

Source excerpt for visual verification:

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  1. A square can be split into 2 triangles.
  2. Three squares can be placed side by side to form a rectangle.
  3. A triangle can be split into 2 triangles and a rectangle.
  4. A circle can be split into 2 rectangles.
  5. None of the above

Question 10

Find the correct shadow of the animals shown.

Source excerpt for visual verification:

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  1. Shadow A
  2. Shadow B
  3. Shadow C
  4. Shadow D
  5. Shadow E

Question 11

Study the picture pattern and find the missing figure.

Source excerpt for visual verification:

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  1. Option A
  2. Option B
  3. Option C
  4. Option D
  5. Option E

Question 12

Denis makes matchstick patterns as shown. How many matchsticks are needed for Figure 12?

Source excerpt for visual verification:

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  1. 21
  2. 23
  3. 24
  4. 25
  5. 27

Question 13

Jenny watches “Teletubbies” every Monday. If 1 January 2018 was Monday and January had 31 days, what was the last February date on which she watched it?

Source excerpt for visual verification:

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  1. 1 February
  2. 26 February
  3. 27 February
  4. 28 February
  5. 29 February

Question 14

Sally enters four emojis: Smile, Heart Eyes, Wink and Cry. Smile is neither first nor last; Heart Eyes is not second; Wink is not next to Smile; Cry is not next to Wink. What is their order?

Source excerpt for visual verification:

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  1. Option A
  2. Option B
  3. Option C
  4. Cry, Smile, Heart Eyes, Wink
  5. None of the above

Question 15

A mother gave the same number of cheese sticks to each of 4 children. Wendy gave half hers to Yasmin; Yasmin gave 2 to Xander; Zane gave 3 to Yasmin. Yasmin ended with 10. How many sticks did the mother give in total?

Source excerpt for visual verification:

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  1. 6
  2. 8
  3. 12
  4. 18
  5. 24

Question 16

If 3 workers take 3 days to build a wall, how many days will 1 worker take to build the same wall?

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Question 17

Tina has 2 cats, 2 dogs, 1 rabbit and some birds. All her pets have 28 legs in total. How many birds does she have?

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Question 18

How many triangles can be formed by connecting any 3 points in the diagram?

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Question 19

Find the sum of all odd numbers between 0 and 20.

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Question 20

A multiple of 5 is between 6 and 54. It is also one less than a multiple of 7. Find the number.

Source excerpt for visual verification:

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