Answer Keys: Measurement Conversions

Grade 4 Mathematics | FAST Success Kit

Teacher/Parent Resource: This page contains all answers. Keep separate from student materials.
Student Concept Worksheet Answers
1. 4 feet to inches
48 inches
4 x 12 = 48
2. 6 quarts to pints
12 pints
6 x 2 = 12
3. 72 inches to feet
6 feet
72 / 12 = 6
4. 5,000 mL to L
5 L
5,000 / 1,000 = 5
5. 3 gallons to cups
48 cups
3 x 16 = 48
Practice Worksheet Answers

Part A: Customary Length

1.
72 inches
6 x 12
2.
7 feet
84 / 12
3.
27 feet
9 x 3
4.
5 yards
15 / 3
5.
144 inches
4 x 36
6.
3 yards
108 / 36

Part B: Customary Capacity

7.
10 pints
5 x 2
8.
6 quarts
12 / 2
9.
12 quarts
3 x 4
10.
12 pints
24 / 2
11.
32 cups
2 x 16
12.
5 gallons
20 / 4

Part C: Customary Weight

13.
80 ounces
5 x 16
14.
4 pounds
64 / 16
15.
48 ounces
3 x 16
16.
7 pounds
112 / 16

Part D: Metric

17.
400 cm
4 x 100
18.
3.5 m
350 / 100
19.
7,000 m
7 x 1,000
20.
4.5 cm
45 / 10
21.
6,000 mL
6 x 1,000
22.
2.5 L
2,500 / 1,000
23.
8,000 g
8 x 1,000
24.
4.2 kg
4,200 / 1,000

Part E: Word Problems

25. Bookshelf
48 inches
4 x 12 = 48
26. Recipe milk
6 cups
3 x 2 = 6
27. Marcus race
5,000 meters
5 x 1,000
28. Watermelon
6 pounds
96 / 16 = 6
29. Paint
8 quarts
2 x 4 = 8
30. Water bottle
0.75 liters
750 / 1,000
FAST Practice Quiz Answers
1
C. 60 inches
5 feet x 12 inches per foot = 60 inches
2
C. 12 quarts
3 gallons x 4 quarts per gallon = 12 quarts
3
3 pounds
48 ounces / 16 ounces per pound = 3 pounds
4
B. 600 centimeters
6 meters x 100 cm per meter = 600 cm
5
D. 4,000,000 milliliters
4,000 liters x 1,000 mL per liter = 4,000,000 mL
6
12 pints
24 cups / 2 cups per pint = 12 pints
7
C. 24 feet
8 yards x 3 feet per yard = 24 feet
8
B. 3.5 centimeters
35 mm / 10 mm per cm = 3.5 cm
9
B. 3 quarts
6 pints / 2 pints per quart = 3 quarts
10
C. 4,000 ounces
250 pounds x 16 ounces per pound = 4,000 ounces

Scoring Guide

Assessment Total Points Proficient (70%+) Needs Support
Student Concept Worksheet 5 points 4+ correct Review conversion charts
Practice Worksheet 30 points 21+ correct Focus on multiply vs divide
FAST Practice Quiz 10 points 7+ correct Use physical measuring tools

Common Errors: Multiplying when should divide, confusing which unit is larger, forgetting metric is based on 10s.