Answer Keys: Multi-Step Word Problems

Grade 3 Mathematics | FAST Success Kit

Teacher/Parent Resource: This page contains all answers. Keep separate from student materials.
Student Concept Worksheet Answers
Problem 1: Baker's Cupcakes
Step 1: 6 × 12 = 72 cupcakes total
Step 2: 72 - 35 = 37 cupcakes left
Answer: 37 cupcakes
Problem 2: Maria's Stickers
Step 1: 45 + 27 = 72 stickers total
Step 2: 72 ÷ 8 = 9 stickers each
Answer: 9 stickers each
Problem 3: Pet Store Fish
Step 1: 3 × 9 = 27 fish total
Step 2: 27 - 5 = 22 fish left
Answer: 22 fish
Practice Worksheet Answers

Part A: One-Step Problems

1. Baskets of Apples
7 × 8 = 56
Answer: 56 apples
2. Farmer's Carrots
54 ÷ 6 = 9
Answer: 9 bags

Part B: Two-Step Problems

3. Toy Store Action Figures
Step 1: 5 × 9 = 45 action figures
Step 2: 45 - 17 = 28 left
Answer: 28 action figures
4. Sam and Sister's Stickers
Step 1: 28 + 36 = 64 stickers total
Step 2: 64 ÷ 8 = 8 each
Answer: 8 stickers
5. Bakery Cookies
Step 1: 48 + 36 = 84 cookies total
Step 2: 84 ÷ 12 = 7 boxes
Answer: 7 boxes
6. Mrs. Lopez's Pencils
Step 1: 4 × 10 = 40 pencils total
Step 2: 12 × 2 = 24 given away
Step 3: 40 - 24 = 16 left
Answer: 16 pencils
7. Library Books
Step 1: 72 ÷ 8 = 9 books per shelf
Step 2: 9 + 15 = 24 books on that shelf
Answer: 24 books
8. Soccer League
Step 1: 6 × 11 = 66 players total
Step 2: 66 - 9 = 57 players now
Answer: 57 players
9. Emma's Books
Step 1: $36 + $28 = $64 total
Step 2: $64 ÷ $8 = 8 books
Answer: 8 books
10. Parking Lot Cars
Step 1: 8 × 9 = 72 cars total
Step 2: 72 - 25 = 47 cars left
Answer: 47 cars

Part C: Challenge Problems

11. Alex's Crayons
Step 1: 3 × 12 = 36 crayons originally
Step 2: 36 - 4 = 32 working crayons
Step 3: 2 × 12 = 24 new crayons
Step 4: 32 + 24 = 56 working crayons
Answer: 56 crayons
12. Juice Boxes
Step 1: 96 ÷ 8 = 12 juice boxes per table
Step 2: 12 - 3 = 9 left at each table
Answer: 9 juice boxes
FAST Practice Quiz Answers
1
B. 47 flowers
Step 1: 5 × 8 = 40 flowers. Step 2: 40 + 7 = 47 flowers total.
2
17
Step 1: 84 ÷ 7 = 12 cards per pile. Step 2: 12 + 5 = 17 cards in that pile.
3
C. 14 bags
Step 1: 48 + 36 = 84 pieces of fruit. Step 2: 84 ÷ 6 = 14 bags.
4
C. 32 chairs
Step 1: 4 × 6 = 24 chairs. Step 2: 24 + 8 = 32 chairs total.
5
3
Step 1: 63 ÷ 9 = 7 cartons. Step 2: 7 - 4 = 3 cartons left.
6
B. 3 × 8 = 24, then 24 - 5 = 19
First multiply to find total marbles (3 bags × 8), then subtract what he gave away.
7
A. 23 seats
Step 1: 9 × 12 = 108 total seats. Step 2: 108 - 85 = 23 empty seats.
8
27
Step 1: $7 × 6 = $42 earned. Step 2: $42 - $15 = $27 left.
9
B. 8 bags
Step 1: 36 + 28 = 64 beads. Step 2: 64 ÷ 8 = 8 bags.
10
B. 37 fish
Step 1: 8 × 7 = 56 fish total. Step 2: 56 - 19 = 37 fish left.

Scoring Guide

Assessment Total Points Proficient (70%+) Needs Support
Student Concept Worksheet 3 points 2+ correct Review step-by-step process
Practice Worksheet 12 points 8+ correct Focus on identifying operations
FAST Practice Quiz 10 points 7+ correct Practice breaking into steps

Common Errors to Watch: Wrong operation order, using only one step, not checking reasonableness, keyword dependency (assuming "left" always means subtract).

FAST Success Kit | Grade 3 | FL B.E.S.T. Standard: MA.3.AR.1.2