SASMO 2017 — Primary 2 (Grade 2)

Question 1

How many dots are there in the figure?

Source excerpt for visual verification:

1. 30
2. 32
3. 34
4. 36
5. None of the above

Question 2

In a family, each boy has 3 sisters and each girl has 3 brothers. How many children are in the family?

Source excerpt for visual verification:

1. 3
2. 6
3. 7
4. 8
5. None of the above

Question 3

Observe the shape pattern and choose the two missing shapes.

Source excerpt for visual verification:

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

Question 4

During the daytime, Jack is standing in front of a mirror. What time is it now?

Source excerpt for visual verification:

1. 10:02 am
2. 10:10 am
3. 1:50 pm
4. 2:50 pm
5. None of the above

Question 5

What is the next number in $29,28,25,20,13,\ldots$?

Source excerpt for visual verification:

1. 4
2. 5
3. 6
4. 7
5. None of the above

Question 6

Christy was 5 years old 3 years ago. The sum of Christy’s and Danica’s ages this year is 18. How old is Danica this year?

Source excerpt for visual verification:

1. 9
2. 10
3. 11
4. 12
5. 13

Question 7

Elmo packs 107 cookies into bags of 5. How many cookies are left unpacked?

Source excerpt for visual verification:

1. 0
2. 1
3. 2
4. 3
5. 4

Question 8

What comes next in the picture pattern?

Source excerpt for visual verification:

1. Option A
2. Option B
3. Option C
4. Option D
5. None of the above

Question 9

Which picture cannot be drawn in one stroke without lifting the pen or retracing a line?

Source excerpt for visual verification:

1. Picture A
2. Picture B
3. Picture C
4. Picture D
5. None of the above

Question 10

Equal cubes are stacked at a corner of a room with no hidden gaps. How many cubes are there altogether?

Source excerpt for visual verification:

1. 14
2. 16
3. 18
4. 20
5. None of the above

Question 11

Which picture is exactly the same as the reference picture?

Source excerpt for visual verification:

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

Question 12

Ben is 7th from the front and 4th from the back in a queue. More children join, and Ben becomes the middle person. How many children joined?

Source excerpt for visual verification:

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

Question 13

Emma can exchange fruits according to the picture in the source excerpt. How many strawberries are needed to get 12 apples?

Source excerpt for visual verification:

1. 4
2. 5
3. 6
4. 7
5. None of the above

Question 14

A bag contains 2 blue marbles and 1 red marble. Alice and Bob each pick one without looking. Alice sees her own marble and truthfully says she knows Bob’s colour. What colours did they pick?

Source excerpt for visual verification:

1. Alice blue, Bob blue
2. Alice red, Bob blue
3. Alice blue, Bob red
4. Alice red, Bob red
5. None of the above

Question 15

Jay gave half his mini buns to his mother, then 3 buns to his sister, then half the remainder to his brother. He had 8 buns left. How many did he buy?

Source excerpt for visual verification:

1. 36
2. 38
3. 40
4. 42
5. None of the above

Question 16

The picture graph shows the storybooks owned by Phoebe, Queenie, Rachael and Suzy. Each picture represents 3 books. How many books do they have altogether?

Source excerpt for visual verification:

Question 17

Find $9+12+17+18+21+23$.

Source excerpt for visual verification:

Question 18

What is the smallest two-digit number divisible by 3 and 7?

Source excerpt for visual verification:

Question 19

In the number pyramid, adjacent numbers add to the number above them. Complete the diagram. What number replaces $A$?

Source excerpt for visual verification:

Question 20

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

Source excerpt for visual verification: