This is the first online math quiz on addition of decimals. In all the online quiz in Ph Civil Service Review, Quiz 1 is the easiest. As the quiz number gets higher, the questions become more difficult.
If you are not familiar with the steps in adding decimals, please read How to Add Decimals. In the quiz below, you will know if your answer is correct after each question.
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Note: All answers with no whole numbers must have 0 before the decimal point. For example, .5 must be written as 0.5.
Good luck! No calculator please. 🙂
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Question 1 of 10
1. Question
2 pointsWhat is the sum of 0.2 and 0.7?
Correct
0.9
Incorrect
The correct answer is 0.9.

Question 2 of 10
2. Question
2 pointsWhat is 0.5 + 0.7?
Correct
Incorrect
The correct answer is 1.2.

Question 3 of 10
3. Question
2 pointsWhat is 0.12 + 0.1?
Correct
Incorrect

Question 4 of 10
4. Question
2 pointsWhat is 0.5 + 0.2 + 0.3?
Correct
Incorrect

Question 5 of 10
5. Question
2 pointsWhat is 0.1 + 0.02 + 0.003?
Correct
Incorrect

Question 6 of 10
6. Question
2 pointsWhat is 1.23 + 3.58?
Correct
Incorrect

Question 7 of 10
7. Question
2 pointsWhat is 0.3 + 0.7 + 1.85?
Correct
Incorrect
The correct answer is 2.85.

Question 8 of 10
8. Question
3 pointsWhat is 0.8 + 1.23 + 0.004?
Correct
Incorrect
The correct answer is 2.034.

Question 9 of 10
9. Question
3 pointsWhat is 6.8 + 19.2 + 128.57?
Correct
Incorrect
The correct answer is 154.57.

Question 10 of 10
10. Question
3 pointsWhat 1.2 + 48.32 + 124.791?
Correct
Incorrect
The correct answer is 174.311.