We included HMH Into Math Grade 5 Answer Key PDF Module 16 Review to make students experts in learning maths.
HMH Into Math Grade 5 Module 16 Review Answer Key
Concepts and Skills
Question 1.
Compare the products 2.35 × 0.8 and 235 × 8. By how many decimal places do the products differ?
Answer:
2 decimal places the products differ.
Explanation:
products 2.35 × 0.8 and 235 × 8:
Products:
2.35 × 0.8 = 1.88.
235 × 8 = 1880.
1.88 < 1880.
Question 2.
Select all the expressions that have a value of 0.024.
(A) 0.2 × 0.12
(B) 1.2 × 0.2
(C) 0.04 × 0.6
(D) 0.3 × 0.8
(E) 0.8 × 0.03
Answer:
All the expressions that have a value of 0.024:
(A) 0.2 × 0.12
(C) 0.04 × 0.6
(E) 0.8 × 0.03
Explanation:
(A) 0.2 × 0.12 = 0.024.
(B) 1.2 × 0.2 = 0.24.
(C) 0.04 × 0.6 = 0.024.
(D) 0.3 × 0.8 = 0.24.
(E) 0.8 × 0.03 = 0.024.
Question 3.
What is the value of 0.7 × 0.6? Use the decimal model.
Answer:
Explanation:
Value of 0.7 and 0.6:
0.7 × 0.6 = 0.42.
Question 4.
Use Tools Which is the area of the rectangle? Tell what strategy or tool you will use to answer the question, explain your choice, and then find the answer.
(A) 3.225 sq cm
(B) 32.25 sq cm
(C) 322 .5 sq cm
(D) 3,225 sq cm
Answer:
Area of rectangle = 32.25 sq cm.
Explanation:
Length of rectangle = 7.5 cm.
Width of rectangle = 4.3 cm.
Area of rectangle = Length of rectangle × Width of rectangle
= 7.5 × 4.3
= 32.25 sq cm.
Question 5.
Which is the unknown value?
0.8 × ______ = 0.056
(A) 0.007
(B) 0.07
(C) 0.7
(D) 7
Answer:
0.8 × 0.07 = 0.056.
Explanation:
0.8 × ?? = 0.056
=> ?? = 0.056 ÷ 0.8
=> ?? = 0.07.
Question 6.
The cost for 1 pound of onions is $0.80. Cheyenne buys 3.4 pounds of onions. How much does she pay?
Answer:
Amount of money she pays = $2.72.
Explanation:
Cost of 1 pound of onions = $0.80.
Number of pounds of onions Cheyenne buys = 3.4.
Amount of money she pays = Cost of 1 pound of onions × Number of pounds of onions Cheyenne buys
= $0.80 × 3.4
= $2.72.
Question 7.
What is the value of 0.4 × 1.6? Use the decimal model.
Answer:
Explanation:
Product of 0.4 and 1.6:
0.4 × 1.6 = 0.64.
Question 8.
The Highland Park Trail is 6.38 kilometers long. Ashley starts at the beginning of the trail and hikes 0.7 of the trail to see a waterfall. How far along the trail is the waterfall?
(A) 44.66 kilometers
(B) 42.66 kilometers
(C)4.466 kilometers
(D) 4.266 kilometers
Answer:
Number of kilometers the trail is the waterfall = 4.266.
Explanation:
Number of kilometers The Highland Park Trail = 6.38.
Number of kilometers Ashley starts at the beginning of the trail and hikes of the trail to see a waterfall = 0.7.
Number of kilometers the trail is the waterfall = Number of kilometers The Highland Park Trail × Number of kilometers Ashley starts at the beginning of the trail and hikes of the trail to see a waterfall
= 6.38 × 0.7
= 4.266.
Question 9.
What is the value of 2.4 × 7.96?
Answer:
Value of 2.4 × 7.96= 19.104.
Explanation:
Product of 2.4 and 7.96:
2.4 × 7.96= 19.104.
Question 10.
Select all the expressions that have a value of 0.096.
(A) 0.1 × 9.6
(B) 0.1 × 0.96
(C) 0.3 × 0.32
(D) 0.16 × 0.6
(E) 0.8 × 1.2
Answer:
All the expressions that have a value of 0.096:
(B) 0.1 × 0.96
(C) 0.3 × 0.32
(D) 0.16 × 0.6
Explanation:
(A) 0.1 × 9.6 = 0.96.
(B) 0.1 × 0.96 = 0.096.
(C) 0.3 × 0.32 = 0.096.
(D) 0.16 × 0.6 = 0.096.
(E) 0.8 × 1.2 = 0.96.