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.
2. 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 5.25.
Subtract 3.25 from 8.50 to get 5.25.
Please select an answer first.
Correct answer: B
The correct answer is 12.32.
Write 20.00 − 7.68 = 12.32.
Please select an answer first.
Correct answer: C
The correct answer is 12.304.
Write 15.004 − 2.700 and subtract to get 12.304.
Please select an answer first.
Correct answer: D
The correct answer is 54.125.
Write 100.000 − 45.875 = 54.125.
Please select an answer first.
Correct answer: A
The correct answer is 8.34.
Write 9.20 − 0.86 = 8.34.
Please select an answer first.
Correct answer: B
The correct answer is 31.05.
Subtract 18.95 from 50.00 to get 31.05.
Please select an answer first.
Correct answer: C
The correct answer is 9.35.
Add 3.75 to 5.60: 5.60 + 3.75 = 9.35.
Please select an answer first.
Correct answer: D
The correct answer is 41.301.
Write 42.300 − 0.999 = 41.301.
Please select an answer first.
Correct answer: A
The correct answer is 46.
Round to 76 − 30 = 46.
Please select an answer first.
Correct answer: B
The correct answer is Zeros can hold empty place values without changing the number’s value..
For example, 20 can be written as 20.00 so hundredths and thousandths align.
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.
