Math Olympiad Grade 3 Decimals Worksheet-5

Decimal Worksheet-5

1. Mr. Verma's deck measures 9.87 feet in length and 7.32 feet in width. How much more is the length than the width?

       A. 3.55 feet                                    B. 2.55 feet       

       C. 2.50 feet                                    D. 2.05 feet

2. How do you write three hundredths in standard form?

       A. 0.3                  B. 0.03               C. 0.003            D. 3.0

3. Write as a decimal : (69/100)

       A. 0.69                B. 0.77                C. 691                  D. 1.59

4. A puppy weighed 3.05 kg in February and 5.10 kg in March. How much weight did the puppy gain in a month?

       A. 2 kg                B. 1.05 kg           C. 2.15 kg                    D. 2.05 kg

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5. Which of the following will have a sum equal to 3.76?

       A. 1.32 + 2.44                                B. 1.45 + 2.34

       C. 1.05 + 2.61                                D. 1.56 + 1.02

6. Order the decimals from least to greatest.

       0.41, 0.357, 0.61, 0.8, 0.50

       A. 0.41, 0.50, 0.61, 0.8, 0.357

       B. 0.357, 0.50, 0.61, 0.8, 0.41

       C. 0.8, 0.61, 0.50, 0.41, 0.357

       D. 0.357, 0.41, 0.50, 0.61, 0.8

7. Write as a decimal : (3/4)

       A. 0.75                B. 1.65                 C. 3.4                  D. 1.3

8. Which option shows seven and two tenths in number form?

       A. 7.2                  B. 2.7                  C. 0.72               D. 0.072

9. Ananya bought 3.50 metres of red silk cloth and 2.50 metres of pink silk cloth to make a costume for her sister. How many metres of cloth did she buy altogether?

       A. 5 metres        B. 9 metres        C. 5.5 metres    D. 6 metres

10. Round 0.051 to the nearest tenth.

       A. 0.1                  B. 0.05               C. 0.15                D. 0.06

Answers

(1)–B; (2)–B; (3)–A; (4)–D; (5)–A; (6)–D; (7)–A; (8)–A; (9)–D; (10)–A