GRADE 4 MATH PRACTICE WITH SOLUTIONS

Question 1 :

All hundreds are divisible by ________

(A) 8         (B) 3       (C) 25

Solution :

All hundreds are divisible by 25.

Question 2 :

Write 64 as power of 2.

(A) 2⁵                (B) 2⁶          (C) 2⁸

Solution :

64  =  2 ⋅ 2 ⋅ 2 ⋅ 2 ⋅ 2 ⋅ 2

64  =  2⁶

Question 3 :

Multiply 480 by 102

(A) 42350           (B) 48960       (C) 36000

Solution :

480 ⋅  102  =  48960

Question 4 :

A hall is 35 meters long and 28 meters broad. Find the length of the longest tape that can measure the length and breadth of the hall a whole number of times.

(A) 3 m        (B) 7 m       (C) 10 m

Solution :

35  =  5 ⋅ 7

28  =  2² ⋅ 7

Length of tape that can measure the length and breadth of the hall is 7 m.

Question 5 :

Divide 62.5 by 25

(A) 2.5                   (B) 5.5              (C) 6.2

Solution :

62.5 / 25 

=  (62.5 / 25) ⋅ (10/10)

=  625/250

=  2.5

So, the answer is 2.5.

Question 6 :

Find the value of 7/9 of 3/5

(A) 8/27         (B) 7/15          (C) 9/25

Solution :

7/9 of 3/5  =  (7/9) ⋅ (3/5)

  = 7/15

Question 7 :

Simplify 2/3 - ( 1/4 + 1/5)

(A) 13/60           (B) 3/17          (C) 13/14

Solution :

  =  2/3 - ( 1/4 + 1/5)

  =  (2/3) - (5 + 4)/20

  =  2/3 - (9/20)

  =  (40 - 27)/60

  =  13/60

Question 8 :

A ream paper weighs 12.5 kg .What is the weight per quire if 20 quires make one ream?

(A) 1.63 kg           (B) 0.125 kg       (C) 0.625 kg

Solution :

Weight of 1 ream of paper  =  12.5 kg

1 ream  =  20 quires

Weight of 1 quire  =  12.5/20

  =  0.625 kg

Question 9 :

Convert 8% into decimal

(A) 0.08            (B) 0.8           (C) 0.008

Solution :

8%  =  8/100

=  0.08

So, the decimal form of 8% is 0.08.

Question 10 :

12% of the books in a public library are mathematics books. If there are 92,000 books in a library, find the number of mathematics books. 

(A) 11040         (B) 10506        (C) 16500

Solution :

Number of English books in the library is 

=  12% of the total books

=  0.12 ⋅ 92000

=  11040

So,the number of English books in the library is 11040. 

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