Decimals (Intro) — Chapter Test | Class 4 IMO

Q1

Which is the odd one out (three equal 0.5)?

0.05 is 5 hundredths, not a half; the other three equal 0.5.

Q2

Continue the pattern: 0.1, 0.2, 0.3, ___ ?

Add one tenth: 0.3 + 0.1 = 0.4.

Q3

Which is greater, 0.9 or 0.85?

0.9 = 0.90, and 90 hundredths > 85 hundredths.

Q4

What is 0.25 + 0.25?

0.25 + 0.25 = 0.5.

Q5

Write 3/10 as a decimal.

3/10 = 0.3.

Q6

In 4.56, what is the value of the digit 5?

5 is in the tenths place, so it stands for 0.5.

Q7

What is 0.6 + 0.7?

0.6 + 0.7 = 1.3.

Q8

What is 2.75 − 1.25?

2.75 − 1.25 = 1.5.

Q9

Which is the greatest decimal?

0.44 = 0.440 is greater than 0.404, 0.4 and 0.04.

Q10

A ribbon of 0.5 m is joined to one of 0.25 m. What is the total length?

0.5 + 0.25 = 0.75 m.

Q11

A pencil costs ₹2.50 and an eraser ₹3.75. What is the total cost?

2.50 + 3.75 = ₹6.25.

Q12

A bottle holds 1.5 L. Riya drinks 0.5 L. How much is left?

1.5 − 0.5 = 1.0 L.

Q13

What is 0.3 + 0.45 + 0.25?

0.3 + 0.45 = 0.75, and 0.75 + 0.25 = 1.0.

Q14

What is 5.0 − 2.35?

5.00 − 2.35 = 2.65.