Grade 4 Math Practice Test: Mixed Review
- Mixed Review
- 10 questions
- 12 minutes
This 10-question review mixes the main Grade 4 skills: multi-digit multiplication and division, place value, fractions and decimals, geometry and measurement. Tip: estimate first so you can spot an answer that is far off.
Tap an option to mark your answer. You can change your mind, or tap the same option again to leave the question blank. The correct answers and explanations appear when you finish the test.Tap an option to answer; tap it again to leave the question blank.
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Question 1
What is 346 × 7?
Correct answer: D
7 × 6 = 42, write 2 carry 4; 7 × 4 + 4 = 32, write 2 carry 3; 7 × 3 + 3 = 24. The product is 2,422. 2,122 forgets the carried 3 in the hundreds.
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Question 2
What is 23 × 41?
Correct answer: B
Use partial products: 23 × 40 = 920 and 23 × 1 = 23, so 920 + 23 = 943. 920 forgets the 23 × 1 part.
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Question 3
What is 856 ÷ 4?
Correct answer: D
8 hundreds ÷ 4 = 2 hundreds; 5 tens ÷ 4 = 1 ten with 1 ten left over; that ten and the 6 ones make 16, and 16 ÷ 4 = 4. The quotient is 214. Check: 214 × 4 = 856.
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Question 4
What is 476,512 rounded to the nearest ten thousand?
Correct answer: A
The ten thousands digit is 7 and the digit to its right is 6, so round up to 480,000. 476,000 is rounded to the nearest thousand.
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Question 5
Which decimal is equal to 710?
Correct answer: C
7/10 is 7 tenths, written 0.7. 0.07 is 7 hundredths.
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Question 6
An angle turns through 14 of a full circle. What is its measure?
Correct answer: C
A full circle is 360°, and 360 ÷ 4 = 90°. 180° is a half turn.
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Question 7
Which number is a prime number?
Correct answer: C
29 has only two factors, 1 and 29, so it is prime. 21 = 3 × 7, 27 = 3 × 9 and 39 = 3 × 13 are composite.
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Question 8
How many inches are in 4 feet?
Correct answer: B
There are 12 inches in 1 foot, so 4 feet = 4 × 12 = 48 inches. 40 inches uses 10 inches per foot by mistake.
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Question 9
A rectangular garden is 15 meters long and 8 meters wide. What is its area?
Correct answer: A
Area = length × width = 15 × 8 = 120 square meters. 46 is the perimeter in meters (15 + 8 + 15 + 8).
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Question 10
What is 5 × 23?
Correct answer: A
5 × 2/3 means 5 groups of 2 thirds, which is 10 thirds: 10/3. 10/15 multiplies the denominator too, but the size of each part stays thirds.
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