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SASMO 2015 — Primary 2 (Grade 2)

Question 1

How many months of the year have 28 days?

Source excerpt for visual verification:

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  1. 1
  2. 2
  3. 5
  4. 6
  5. 12

Question 2

For the number sentence below, what is the answer? Fifteen is added 15 times.

Source excerpt for visual verification:

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  1. 210
  2. 215
  3. 220
  4. 225
  5. None of the above

Question 3

The sum of two numbers is 300. One number is 5 times the other. What is the difference between the two numbers?

Source excerpt for visual verification:

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  1. 50
  2. 60
  3. 180
  4. 200
  5. None of the above

Question 4

Susan prepared cookies for Ashley, Sam, Max and Olivia. Susan tried the first cookie. Ashley took 2 cookies and gave 1 to Sam. Max took 3 cookies and gave 1 to Olivia and 1 to Susan. If each ate the cookies they ended up with, who ate the most?

Source excerpt for visual verification:

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  1. Susan
  2. Ashley
  3. Sam
  4. Max
  5. Olivia

Question 5

Today is Wednesday, 8 April 2015. A friend says the Singapore Math Kangaroo Contest was 14 days ago. On which day was it?

Source excerpt for visual verification:

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  1. 23 March, Monday
  2. 24 March, Tuesday
  3. 25 March, Wednesday
  4. 26 March, Thursday
  5. 27 March, Friday

Question 6

Fill in the blank: $1,1,2,3,5,8,\_$.

Source excerpt for visual verification:

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  1. 11
  2. 12
  3. 13
  4. 14
  5. None of the above

Question 7

Study the matchstick figures in the source excerpt. How many matchsticks are needed to make Figure 5?

Source excerpt for visual verification:

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  1. 30
  2. 33
  3. 39
  4. 45
  5. 52

Question 8

In the number sentence shown in the source excerpt, what number does the symbol represent?

Source excerpt for visual verification:

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  1. 5
  2. 6
  3. 7
  4. 8
  5. 9

Question 9

Georgia had some money. She gave half to her sister, used half the remainder to buy a book, then gave half of what was left to her brother. Finally she had 7 dollars. How much did she have at first?

Source excerpt for visual verification:

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  1. 28 dollars
  2. 54 dollars
  3. 56 dollars
  4. 58 dollars
  5. None of the above

Question 10

John is 5 years old this year. His sister is 2 years older. What is the sum of their ages after 3 years?

Source excerpt for visual verification:

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  1. 18
  2. 16
  3. 14
  4. 12
  5. 10

Question 11

Andre and Beth had a total of 24 sweets. After their teacher gave them 4 sweets each, Andre has 6 more sweets than Beth. How many sweets does Beth have now?

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Question 12

Sophia counts by twos from 2 to 100 and crosses each multiple of 2 on her hundred chart. How many numbers does she cross out?

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Question 13

A fruit seller makes a solid pyramid from identical fruit boxes. The top three layers are shown. What is the total number of boxes in these layers?

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Question 14

What is the sum of all the numbers from 1 to 30?

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Question 15

Yohan had 10 white socks, 10 red socks and 10 black socks in a drawer. Without looking, how many socks at most must he take to get a pair of white socks?

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Question 16

Use the symbol equations in the source excerpt. What number does the indicated symbol stand for?

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Question 17

There were 10 pieces of paper. Some were cut into three parts. Altogether there are now 16 pieces. How many pieces were cut into three parts?

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Question 18

A man takes 2 minutes to cut a metal rod into two pieces. How many minutes will he take to cut a rod of the same length into 5 pieces?

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Question 19

Zoey had a 50-cent coin, a 20-cent coin, a 10-cent coin and a 5-cent coin. After losing one coin, she had twice as much money as her brother. Which coin did she lose?

Source excerpt for visual verification:

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Question 20

How many squares are there in the figure in the source excerpt?

Source excerpt for visual verification:

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