Extra Set

Grade 6 · Unit 4 · UA · Version A · 9791

Unit 4 review

Name ________________

Date ________________

Period ________________

1.
A bus travels 30 miles in 2 hours. What is the constant speed in miles per hour?
Answer. 15 mph
30 ÷ 2 = 15 miles per hour.
2.
A pack of 4 markers costs $3.76. What is the unit price per marker?
Answer. $0.94
$3.76 ÷ 4 = $0.94 per marker.
3.
What is 10% of 40?
Answer. 4
10100 × 40 = 4.
4.
8 out of 75 students finished early. What percent is that?
Answer. 10.67%
875 = 10.67%.
5.
A bus travels 60 miles in 3 hours. What is the constant speed in miles per hour? Then Nora needs 5 of that amount. What is the total they need?
Answer. 100 mph
60 ÷ 3 = 20 miles per hour. Then multiply by 5: 100 mph.
6.
A pack of 6 markers costs $9.06. Luis needs 12 markers. How much will that cost at the same unit price?
Answer. $18.12
Unit price $1.51. 2 packs: $9.06 × 2 = $18.12.
7.
Elena got 20% of the 100 points on a quiz, then a bonus of 4 points. What is Elena’s total score?
Answer. 24
20% of 100 = 20. Then 20 + 4 = 24.
8.
25 out of 100 students finished early. What percent is that? Write a complete answer — Nora will compare with a partner.
Answer. 25%
25100 = 25%.
9.
A bus travels 90 miles in 5 hours. What is the constant speed in miles per hour? Then Ava needs 5 of that amount. What is the total they need?
Answer. 90 mph
90 ÷ 5 = 18 miles per hour. Then multiply by 5: 90 mph.
10.
A pack of 10 markers costs $25. Owen needs 20 markers. How much will that cost at the same unit price?
Answer. $50
Unit price $2.5. 2 packs: $25 × 2 = $50.
11.
Think
Mei computed 40% of 80 as 40 × 80 = 3200. What is the actual value?
Answer. 32
40% means 40100: 40100 × 80 = 32.
12.
Think
Owen tried this problem:
15 out of 50 students finished early. What percent is that?
Owen wrote 60%. That is not correct. What is the right answer?
Answer. 30%
Owen’s answer 60% is off. 1550 = 30%.

Original extra practice. Keys are computed from the items, not guessed.

UA · Unit 4 review