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Name Whole Numbers (Lesson 1)

Tutor Whole Numbers (Lesson 1)

Topic

Boost! Math | Primary 5

Primary 5: Boost! Math

1) At a durian plantation, there were a number of durians on sale. For every 16 durians

bought, 2 durians were given away free. Mr Yusoﬀ received a total of 96 durians free while

Mr Hong received 112 durians free. If there were 45 durians left, how many durians were

on sale?

Ans:

1

Primary 5: Boost! Math

2) At Ang Mo Kio MRT Station, 178 passengers alighted from the train and 95

passengers boarded the train. There were 785 passengers on the train in the end.

How many passengers were there on the train before it arrived at Ang Mo Kio?

Ans:

2

Primary 5: Boost! Math

3) Nancy kept 13 parrots and cats. She counted they have 30 legs in total. How many cats

did she have?

Ans:

3

Primary 5: Boost! Math

4) Diane and Joan baked some pineapple tarts. Diane ate 12 of the tarts. She ate twice

as many pineapple tarts as Joan. If there were 35 pineapple tarts at ﬁrst, how many

pineapple tarts are left?

Ans:

4

Primary 5: Boost! Math

5) There were 40 pupils in Team Alpha. Each pupil received 3 erasers. The same

number of erasers was given out to the pupils in Team Bravo and each pupil got 2

erasers. How many pupils were there altogether?

Ans:

5

Primary 5: Boost! Math

6) Mr De Souza bought 72 boxes of oranges. There were 20 oranges in

each box. There were 4 rotten oranges in each box. He threw them away and

packed the remaining oranges into packets of 8. He gave each guest at a party 2

packets of oranges each. How many guests were there at the party?

Ans:

6

Primary 5: Boost! Math

7) Penny, Winnie and Yolinda baked some egg tarts. Penny and Winnie baked 2841 egg

tarts. Penny baked twice as many egg tarts as Winnie. How many egg tarts did Yolinda

bake if she bake 23 more egg tarts than Winnie?

Ans:

7

Primary 5: Boost! Math

8) Ali is 8 years older than Muthu. In 6 year's time, Ali will be twice as old as Muthu.

How old is Muthu now?

Ans:

8

Primary 5: Boost! Math

9) A bookstore sold 13 novels, 42 cookbooks, 22 exercise books, 49 textbooks and 3 times

as many comic books as all other books over a period of a week. What was the total

number of books sold in the week? (Give your answer to the nearest ten)

Ans:

9

Primary 5: Boost! Math

10) Stanley had thrice as much money as Natasha. Linda had $250 less than

Stanley. The total amount of money Stanley and Linda had $2870. How much

money did Natasha have?

Ans:

10