## 4th GRADE MATH PRACTICE TEST

Problem 1 :

How many two digit numbers are there ?

(A) 70                 (B) 80               (C) 90

Solution

Problem 2 :

What numbers do the roman numeral XVII represent?

(A) 15                  (B) 17               (C) 19

Problem 3 :

What is the exponential form of 800 ?

(A) 32 52             (B) 52 25             (B) 32 55

Problem 4 :

What is the exponential form of 122.

(A) 12 x 2                (B) 12 x 12        (C) 12 x 12 x 2

Problem 5 :

Find the greatest number which divides 63 and 80 leaving the remainders 3 and 5 respectively.

(A) 15                     (B) 16                (C) 18

Problem 6 :

Subtract 546.925 - 52.68

(A) 523.125              (B) 494.245             (C) 5142.70

Problem 7 :

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

(A) 5/8 kg               (B) 5/6 kg                (C) 2/3 kg

Problem 8 :

Find 40% of 160.

(A) 51                (B) 52                 (C) 64

Problem 9 :

The average of three numbers is 21. Two of the numbers are 18 and 20. Find the third number.

(A) 25                   (B) 35                (C) 28

Problem 10 :

10 men can do a work in 20 days working 8 hours a day. In how many days can 8 men do the same work working 10 hours a day ?

(A) 15 days            (B) 10 days          (C) 7 days

1. 90

2. 17

3. 25 52

4. 12 x 12

5. 15

6. 494.245

7. 5/8 kg

8. 64

9. 25

10. 10 days

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