This handy Spectrum Math Grade 4 Answer Key Chapter 7 Lesson 7.4 Weight (Ounces, Pounds, and Tons) provides detailed answers for the workbook questions.
Spectrum Math Grade 4 Chapter 7 Lesson 7.4 Weight (Ounces, Pounds, and Tons) Answers Key
Conversion Table
one-half pound (lb.) = 8 ounces (oz.)
1 pound (lb.) = 16 ounces (oz.)
one- half ton (T.) = 1,000 pounds (lb.)
1 ton (T.) = 2,000 pounds (lb.)
When converting from a larger unit to a smaller unit, multiply,
5 lb. = ____________ oz.
Know:
1 lb. = 16 oz.
5 × 16 = 80
5 lb. = 80 oz.
When converting from a smaller unit to a larger unit, divide.
6,000 lb. = ___________ T.
Know:
2,000 lb. = 1 T.
6,000 ÷ 2,000 = 3
6,000 lb. = 3 T.
Complete the following.
Question 1.
a. 32 oz. = ____________ lb.
Answer:
lb
Explanation:
We know
1 pound (lb.) = 16 ounces (oz.)
we need to find 32 oz in lb
32 ÷ 16 = 2 lb.
b. 6,000 lb. = ___________ T.
Answer:
3 T
Explanation:
We know
1 ton (T.) = 2,000 pounds (lb.)
Find 6,000 lb in T
6000 ÷ 2000 = 3 T
c. 4 T. = ____________ lb.
Answer: 8000 lb.
Explanation:
We know
1 ton (T.) = 2,000 pounds (lb.)
4 T = how much lb
4 × 2000 = 8000 lb.
Question 2.
a. 40 lb. = ___________ oz.
Answer: 640 oz
Explanation:
We know
1 pound (lb.) = 16 ounces (oz.)
40 lb = 40 × 16
= 640 oz
b. 64 oz. = ____________ lb.
Answer:
4 lb
Explanation:
We know
1 pound (lb.) = 16 ounces (oz.)
64 oz = 64 ÷ 16
= 4 lb.
c. 24,000 lb. = ______________ T.
Answer:
12,000 T
Explanation:
We know
2,000 lb. = 1 T.
When converting from a smaller unit to a larger unit, divide.
24,000 ÷ 2000 = 12,000 T
Question 3.
a. 1,000 lb. = ____________ T.
Answer:
0.5 T
Explanation:
We know
2,000 lb. = 1 T.
When converting from a smaller unit to a larger unit, divide.
1,000 lb = 1000 ÷ 2000
= 1 ÷ 2
= 0.5 T
b. 8 oz. = ____________ lb.
Answer:
0.5 T
Explanation:
We know
1 pound (lb.) = 16 ounces (oz.)
8 oz. = 8 ÷ 16
= 1 ÷ 2
= 0.5 T
c. 18,000 lb. = ____________ T.
Answer:
9000 T.
Explanation:
We know that
1 ton (T.) = 2,000 pounds (lb.)
18,000 lb = 18,000 ÷ 2000
= 9000 T
Question 4.
a. 8 lb. = ____________ oz.
Answer:
128 oz
Explanation:
We know that
1 pound (lb.) = 16 ounces (oz.)
8 lb = how many oz
8 × 16 = 128 oz
b. 12 lb. = ____________ oz.
Answer:
192 oz.
Explanation:
1 pound (lb.) = 16 ounces (oz.)
12 lb = 12 × 16
= 192 oz.
c. 10,000 lb. = ____________ T.
Answer:
5 T
Explanation:
We know that
1 ton (T.) = 2,000 pounds (lb.)
10,000 lb = 10,000 ÷ 2000
= 5 T
Question 5.
Tons: 5
Pounds: ___________
Ounces: 160,000
Answer:
10,000 Pounds
Explanation:
Given,16
Ounces: 160,000
1 pound (lb.) = 16 ounces (oz.)
160,000 ounces ÷16
10,000 Pounds
Question 6.
Tons: ___________
Pounds: 4,000
Ounces: 64,000
Answer:
2 Tons
Explanation:
We know that
1 ton (T.) = 2,000 pounds (lb.)
Given,
Pounds: 4,000
4000 ÷ 2000 = 2 Tons
Question 7.
Tons: 3
Pounds: 6,000
Ounces: ____________
Answer:
96000 Ounces.
Explanation:
We know that
1 pound (lb.) = 16 ounces (oz.)
We need to find in ounces
given,
6000 lb = 6000 × 16
= 96000 Ounces.
Question 8.
Tons: 4
Pounds: 8,000
Ounces: ____________
Answer:
128000 Ounces
Explanation:
Given,
Pounds: 8,000
We know that
1 pound (lb.) = 16 ounces (oz.)
8000 lb = 8000 × 16
= 128000 Ounces
Question 9.
Tons: ___________
Pounds: 2,000
Ounces: 32,000
Answer:
1 Ton
Explanation:
We know that
1 ton (T.) = 2,000 pounds (lb.)
Given,
Pounds: 2,000
2000 ÷ 2000
= 1 Ton
Question 10.
Tons: 6
Pounds: 12,000
ounces: ____________
Answer:
192000 ounces
Explanation:
We know that
1 pound (lb.) = 16 ounces (oz.)
Given,
Pounds: 12,000
12,000 pounds = 12,000 × 16
= 192000 ounces
Question 11.
Tons: 10
Pounds: ____________
Ounces: 320,000
Answer:
20,000 pounds.
Explanation:
We know that
1 pound (lb.) = 16 ounces (oz.)
Given,
Ounces: 320,000
320,000 ÷ 16
20,000 pounds.