This grade 3 multiplication worksheet answer key solves all 24 problems of the understanding multiplication worksheet step by step.
This answer key gives a full worked solution for each of the 24 problems. Check the number of groups, the size of each group and the product. Look at the pictures to see why each multiplication sentence matches the story.
Grade 3 Multiplication Worksheet Answer Key: problems 1–5
Problem 1: Groups to product
There are 3 groups and 4 dots in each group.
\(3 \times 4 = 12\). Answer: \(3 \times 4 = 12\)
Problem 2: Reading a product
The first factor is the number of groups: 6 groups of 2.
Skip count by 2: 2, 4, 6, 8, 10, 12. 6 groups of 2; \(6 \times 2 = 12\)
Problem 3: Repeated addition
The number 4 is added 5 times , so there are 5 groups of 4.
\(5 \times 4 = 20\)
Problem 4: Count the array
There are 4 rows with 5 dots in each row.
\(4 \times 5 = 20\); 20 dots
Problem 5: Rows of chairs
3 rows are 3 groups, and each group has 6 chairs.
\(3 \times 6 = 18\); 18 chairs
Grade 3 Multiplication Worksheet Answer Key: problems 6–10
Problem 6: Write the array sentence
2 rows, 8 in each row.
\(2 \times 8 = 16\)
Problem 7: Jumps on a number line
There are 6 jumps, and each jump is 3 long. The last jump lands on 18.
\(6 \times 3 = 18\)
Problem 8: Bike wheels
7 groups of 2 wheels: \(7 \times 2\).
Skip count by 2 seven times : 2, 4, 6, 8, 10, 12, 14.
14 wheels
Problem 9: Egg cartons
4 groups of 6: \(4 \times 6 = 24\).
24 eggs
Problem 10: Match the meaning
Story (a) has 4 groups with 5 in each group, which is \(4 \times 5\).
Story (b) is \(4 + 5\), and story (c) is \(5 \times 9\).
(a); \(4 \times 5 = 20\), so 20 apples
Grade 3 Multiplication Worksheet Answer Key: problems 11–15
Problem 11: Ribbon lengths
3 equal pieces, each 5 inches: \(3 \times 5 = 15\).
15 inches
Problem 12: Price of pens
5 groups of $3: \(5 \times \$3 = \$15\).
$15
Problem 13: Unknown product
Skip count by 3 nine times : 3, 6, 9, 12, 15, 18, 21, 24, 27.
\(p = 27\)
Problem 14: Theater seats
8 rows of 6: \(8 \times 6 = 48\).
48 seats
Problem 15: Sticker sheets
5 groups of 7: \(5 \times 7 = 35\).
35 stickers
Grade 3 Multiplication Worksheet Answer Key: problems 16–20
Problem 16: Garden rows
7 groups of 4: \(7 \times 4 = 28\).
28 plants
Problem 17: Unknown group size
Skip count by 4 until you reach 20: 4, 8, 12, 16, 20. That takes 5 counts.
\(n = 5\); 5 cookies on each plate
Problem 18: Marble bags
Bags: \(3 \times 8 = 24\).
Add the loose marbles: \(24 + 5 = 29\).
29 marbles
Problem 19: Swimming lengths
4 groups of 25 yards: \(4 \times 25 = 100\).
Check: \(25 + 25 + 25 + 25 = 100\).
100 yards
Problem 20: Movie tickets
6 groups of $7: \(6 \times \$7 = \$42\).
$42
Grade 3 Multiplication Worksheet Answer Key: problems 21–24
Problem 21: Little League teams
Let \(t\) be the total. There are 5 groups of 9, so \(5 \times 9 = t\).
\(t = 45\); 45 players
Problem 22: Pencils given away
Pencils in packs: \(4 \times 6 = 24\).
Take away 7: \(24 – 7 = 17\).
17 pencils
Problem 23: Bake sale trays
6 groups of 9: \(6 \times 9 = c\).
Skip count by 9: 9, 18, 27, 36, 45, 54.
\(c = 54\); 54 cookies
Problem 24: Two shelves of books
First cart: \(3 \times 9 = 27\).
Second cart: \(2 \times 8 = 16\).
Together: \(27 + 16 = 43\).
43 books
How to use this grade 3 multiplication worksheet answer key
Read this grade 3 multiplication worksheet answer key after trying each problem yourself, and redo any problem you missed.
See every chapter on the Grade 3 math page.