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Archive · October 28, 2026

Grade 3 Math: 10 Free Practice Questions

A brand-new set of Grade 3 math practice questions every single day, with the answer and a full explanation for each one. No account, no paywall — tap an answer to check it.

1Ivy is 20 years younger than Grandpa Lee. If Grandpa Lee was 60 years old 6 years ago, how old is Ivy now?

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Answer: 46 years old
Grandpa Lee is 60 + 6 = 66 now. Ivy is 66 − 20 = 46 years old.

2A rectangular poster is 9 feet long and 7 feet wide. What is the area of the poster?

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Answer: 63
Area = length × width = 9 × 7 = 63 square feet.

3Which property is shown by this equation? 8 + 0 = 8

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Answer: Identity Property
Grouping or order changes but the value stays the same — this is an example of the Identity Property.

4How many even numbers are larger than 576 but less than 590?

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Answer: 6
The even numbers strictly between 576 and 590 total 6.

5What is the value of the digit 7 in the number 7,342?

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Answer: 7,000
<p><strong>CORRECT ANSWER: 7,000</strong></p><ol><li>Look at where the 7 is in 7,342.</li><li>It is in the thousands place.</li><li>The value is <span style='background:#bbf7d0;padding:2px 6px;border-radius:4px;font-weight:bold;'>7,000</span>.</li></ol><div style='background:#dbeafe;border-left:4px solid #3b82f6;padding:10px 14px;border-radius:6px;margin-top:10px;'><strong>Remember:</strong> The place a digit is in tells its value!</div>

6What is 342 rounded to the nearest ten?

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Answer: 340
Because the ones digit is 2, which is less than 5, 342 rounds down to 340.

7A water bottle contains 2 liters of water. How many milliliters of water does it contain? (1 liter = 1,000 milliliters)

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Answer: 2,000 milliliters
Since 1 liter = 1,000 milliliters, 2 liters = 2,000 milliliters. Option A represents 0.2 liters. Option C and D represent an overestimation by a factor of ten or hundred. This tests the conversion between metric units.

8Which number is the greatest: 4206, 7071, 1235, 4894?

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Answer: 7071
Comparing all four numbers, 7071 is the largest.

9A ticket costs $7. A family buys 3 tickets and also pays a $6 booking fee. What is the total cost?

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Answer: 27
First multiply: 7 × 3 = 21. Then add the fee: 21 + 6 = 27.

10What is 324 - 168?

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Answer: 156
Subtracting 324 - 168 gives 156.

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