# McGraw Hill Math Grade 3 Chapter 4 Test Answer Key

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## McGraw-Hill Math Grade 3 Chapter 4 Test Answer Key

Fill in the blanks.

Question 1.

4 groups of ______
5 + 5 + 5 + 5 = ___
4 × 5 = ___
4 groups of 5.
4 × 5 = 20.

Explanation:
Number of rows = 4.
Number of columns = 5.
Number of dots = Number of rows × Number of columns
= 4 × 5
= 20.

Question 2.
3 + 3 + 3 = 3 × ___
3 + 3 + 3 = 3 × 3 = 9.

Explanation:
3 + 3 + 3 = 3 × 3
= 9.

Question 3.
_____ + _____ = 2 × 5
5 + 5 = 2 × 5.

Explanation:
5 + 5 = 2 × 5.

Question 4.

Explanation:
Product of 7 and 2:
7 × 2 = 14.

Question 5.

Explanation:
Product of 4 and 2:
4 × 2 = 8.

Question 6.

Explanation:
Product of 9 and 2:
9 × 2 = 18.

Question 7.

Explanation:
Product of 3 and 2:
3 × 2 = 6.

Question 8.
3 × 3 = ___
3 × 3 = 9.

Explanation:
Product of 3 and 3:
3 × 3 = 9.

Question 9.
8 × 3 = ___
8 × 3 = 24.

Explanation:
Product of 8 and 3:
8 × 3 = 24.

Question 10.
5 × 3 = ___
5 × 3 = 15.

Explanation:
Product of 5 and 3:
5 × 3 = 15.

Question 11.
Write the multiplication sentence that shows how to find the number of apples.

Number of apples = 16.

Explanation:
Number of rows of apples = 4.
Number of columns of apples = 4.
Number of apples = Number of rows of apples × Number of columns of apples
= 4 × 4
= 16.

Question 12.
write the number sentence that matches the picture.

Number of aero planes = 10.

Explanation:
Number of aero planes in rows = 2.
Number of aero planes in columns = 5.
Number of aero planes = Number of aero planes in rows × Number of aero planes in columns
= 2 × 5
= 10.

Multiply.
Question 13.
Kim has 5 gloves. How many fingers do the gloves have in all? Draw to help you multiply.

________ × ________ = ________ fingers
Number of fingers in the gloves have in all = 25.

Explanation:
Number of gloves Kim has = 5.
Number of fingers Kim has = 5.
Number of fingers in the gloves have in all = Number of gloves Kim has × Number of fingers Kim has
= 5 × 5
= 25.

Question 14.

Explanation:
Product of 4 and 0:
4 × 0 = 0.

Question 15.

Explanation:
Product of 7 and 1:
7 × 1 = 7.

Question 16.

Explanation:
Product of 2 and 1:
2 × 1 = 2.

Question 17.

Explanation:
Product of 5 and 0:
5 × 0 = 0.

Question 18.
I am a factor in a multiplication sentence. The other factor is 3. The product is 0. What number am I? How do you know?
The number is 0.

Explanation:
The other factor is 3. The product is 0.
=> Let the first factor be x.
=> x × 3 = 0
=> x = 0 ÷ 3
=> x = 0.

Question 19.
4 × 7 = ____
7 × 4 = ____
4 × 7 = 28.
7 × 4 = 28.

Explanation:
Product of:
4 × 7 = 28.
7 × 4 = 28.

Question 20.
2 × 5 = ___
5 × 2 = ___
2 × 5 = 10.
5 × 2 = 10.

Explanation:
Product of :
2 × 5 = 10.
5 × 2 = 10.

Question 21.
3 × 8 = ___
8 × 3 = ___
3 × 8 = 24.
8 × 3 = 24.

Explanation:
Product of:
3 × 8 = 24.
8 × 3 = 24.

Question 22.

Explanation:
Product of 6 and 3:
6 × 3 = 18.

Question 23.

Explanation:
Product of 9 and 4:
9 × 4 = 36.

Question 24.