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Worksheets

Mental Math Class V

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.

A chicken needs to be cooked for 2 hours and 20 minutes. It needs to be ready at 1:00 pm. At what time do I need to start cooking it?

a)

noon

b)

11:40 am

c)

10:40 am

d)

9:30 am

2.

The date is March 3rd. What was the date 1 week ago?

a)

March 10th

b)

February 25th

c)

February 24th

d)

February 23rd

3.

I am a square with each side measuring 3 cm. What is my perimeter?

a)

12 m

b)

9 cm

c)

3 dm

d)

12 cm

4.

I am thinking of a number. I double it and add 1. The answer is 17. What number am I thinking of?

a)

7

b)

8

c)

9

d)

10

5.
What is 50% of 330?
a)
33
b)
150
c)
165
d)
3.3
6.

Denzil has 36 marbles. He loses 7 then wins 11. How many marbles does he have now?

a)

20

b)

30

c)

40

d)

50

7.

. What least number should be added to 207 to make it exactly divisible by 25?

a)

18

b)

19

c)

20

d)

15

8.

•What is the sum of the greatest 3-digit number and the smallest 3- digit number?

a)

999

b)

1099

c)

10989

9.

. I am a number between 130 and 140. I occur in the table of 17. What number am I ?

a)

135

b)

181

c)

136

d)

140

10.

What do you get on multiplying smallest whole whole number with any natural number ?

a)

2

b)

None

c)

1

d)

0

11.

There are few apples in a basket. Akshay took out those apples and puts them in the groups of 16 each. Then Ravi rearranges them in the groups of 12 each. How many apples were there in the basket?

a)

51

b)

53

c)

49

d)

48

12.

Insert the missing number?

a)

11

b)

13

c)

12

d)

14

13.

There are 10 lit candles on a cake, you blow out 3. How many candles are on the cake?

a)

10

b)

7

c)

3

d)

13

14.

Your parents have six sons including you and each son has one sister. How many people are in the family?

a)

9

b)

10

c)

12

d)

14

15.
Venice makes 88 flyers to advertise a book sale. She wants to hang the same
number of flyers in each of six schools, and
she plans to have a few leftover flyers to give to her friends. How many flyers will she
hang at each school and how many flyers
will be left to give to her friends?
a)
12, 6 flyers left for her friends
b)
13, 5 flyers left for her friends
c)
14, 4 flyers left for her friends
d)
15, 3 flyers left for her friends
16.

It takes John 25 minutes to walk to the car park and 45 to drive to work. At what time should he get out of the house in order to get to work at 9:00 a.m.?

a)

7:50 a.m.

b)

8:00 a.m.

c)

8:15 a.m.

d)

7:30 a.m.

17.

When rounded to the nearest thousand, the number of people who attended a concert is 18,000. Which of the following could be the number of people who attended the concert?

a)

17,264

b)

17,428

c)

18,135

d)

18,526

18.

The mass of a jar of sugar is 1.9 kg. What is the total mass of 13 1/2 jars of sugar?

a)

25.26 kg

b)

20.25 kg

c)

24.7 kg

d)

28 kg

19.
A banner measures 2.8 feet long and 1.2 feet wide. Which is a good estimate for the area of the banner?
a)
1 square foot
b)
3 square feet
c)
30 square feet
d)
7 square feet
20.

A factory produced 2300 TV sets in its first year of production. 4500 sets were produced in its second year and 500 more sets were produced in its third year than in its second year. How many TV sets were produced in three years?

a)

12,600 TV sets

b)

11,300 TV sets

c)

11,800 TV sets

d)

11,900 TV sets