Grade 5 Math · Decimal Addition and Subtraction
Build Grade 5 Math skills with five 10-question practice tests on decimal addition, decimal subtraction, place-value alignment, estimation, zeros, and real-world measurement problems.
These Grade 5 Math practice tests help students add and subtract decimals accurately. Students practice aligning decimal points, using zeros as placeholders, estimating, solving measurement and money problems, and checking exact answers with place-value reasoning.
Write each number with matching place values before calculating. Add zeros when useful, estimate to check reasonableness, and label units in measurement and money problems.
For more Grade 5 Math practice, return to the Grade 5 Math category.
3. Test
A 10-question Grade 5 Math practice test on adding and subtracting decimals, place-value alignment, estimation, zeros, and real-world measurement problems.
Align decimal points carefully, use place-value reasoning, calculate the exact result, and estimate when the question asks for an approximate answer.
Please select an answer first.
Correct answer: A
The correct answer is 4.25.
Write 2.50 + 1.75 = 4.25.
Please select an answer first.
Correct answer: B
The correct answer is 5.544.
Write 9.000 − 3.456 = 5.544.
Please select an answer first.
Correct answer: C
The correct answer is 0.888.
Add 0.800 + 0.080 + 0.008 = 0.888.
Please select an answer first.
Correct answer: D
The correct answer is 7.82.
Write 12.60 − 4.78 = 7.82.
Please select an answer first.
Correct answer: A
The correct answer is 6.00.
The thousandths and hundredths combine to make a whole: 5.005 + 0.995 = 6.000.
Please select an answer first.
Correct answer: B
The correct answer is 17.125.
Write 30.000 − 12.875 = 17.125.
Please select an answer first.
Correct answer: C
The correct answer is 8.70.
First add 7.25 + 3.60 = 10.85; then subtract 2.15 to get 8.70.
Please select an answer first.
Correct answer: D
The correct answer is 16.15.
Calculate left to right: 18.40 − 2.75 = 15.65; 15.65 + 0.50 = 16.15.
Please select an answer first.
Correct answer: A
The correct answer is .
Write 4.9 as 4.900. It is greater than 4.090, 4.009, and 4.190.
Please select an answer first.
Correct answer: B
The correct answer is 6 tenths.
The digit 6 is the first digit to the right of the decimal point, so it represents 6 tenths.
Alignment places ones, tenths, hundredths, and thousandths in matching columns so each place value is combined correctly.
Yes. Zeros at the end of a decimal do not change its value and can help align place values.
The page includes five mini tests with 10 questions each, for 50 Grade 5 Decimal Addition and Subtraction questions in total.
