Primary School · Mathematics

Decimals (Addition): Practice Questions

5 multiple-choice questions marked as you go, and 5 written questions with worked solutions. All on Decimals (Addition).

10 questions21 marksFree, no account

Question 1

1 mark

Calculate the sum of \(3.4\) and \(2.1\).

Question 2

1 mark

Find the value of \(4.25 + 3.6 + 1.15\).

Question 3

1 mark

A school held a sports day. In the long jump event, Kelvin jumped \(3.45\) m in his first attempt. In his second attempt, he jumped \(0.8\) m further than his first attempt. What was the total distance he jumped in these two attempts combined?

Question 4

1 mark

Find the sum of \( 0.48 \) and \( 12.7 \).

Question 5

1 mark

The height of a desk is \( 0.76 \text{ m} \). The height of a chair is \( 0.32 \text{ m} \) shorter than the desk. What is the total height of the desk and the chair combined?

Question 6

2 marks

Evaluate: \( 18.06 + 7.95 \).

Write your answer out first, then check it against the worked solution.

Question 7

3 marks

A ribbon is \(10\) m long. Amy cuts off a piece of \(2.65\) m and another piece of \(3.8\) m. How many metres of ribbon are left?

Write your answer out first, then check it against the worked solution.

Question 8

5 marks

Tank A contains \( 18.65 \text{ L} \) of water. Tank B contains \( 4.8 \text{ L} \) more water than Tank A. Tank C contains \( 6.25 \text{ L} \) less water than Tank B. How many litres of water are in Tank C?

Write your answer out first, then check it against the worked solution.

Question 9

3 marks

Find the sum of \( 14.82 \), \( 7.6 \), and \( 0.95 \). What is the result if you subtract \( 5.4 \) from this sum?

Write your answer out first, then check it against the worked solution.

Question 10

3 marks

A baker is preparing ingredients for three different cakes. The weights of sugar required for each cake are as follows:
- Chocolate Cake: \( 0.45 \) kg
- Vanilla Cake: \( 0.38 \) kg
- Strawberry Cake: \( 0.52 \) kg

a) What is the total weight of sugar needed for the Chocolate Cake and the Vanilla Cake combined in kilograms?

b) What is the combined weight of sugar required for all three cakes in kilograms?

Write your answer out first, then check it against the worked solution.

* The content provided by thinka is generated by AI and may not always be accurate or up-to-date. Please use it as a supplementary resource and verify with official materials.

You've seen the model answer. Now get yours marked.

This page can show you how a good answer looks. It cannot tell you what your answer was missing. thinka marks your written work against the real mark scheme in about 15 seconds.

Get My Answers Marked Back to the notes

Want more questions like these? Get a fresh set on this topic, marked as you go.