Grade 7 Number Sense review
1.(7NS1a)
Altitude above sea level is given in positive values and below sea level is given in negative values. Which situation describes a hiker in Death Valley stopping at an altitude of 0 feet?
A The hiker starts at -10 feet then increases altitude by 10 feet.
B The hiker starts at -10 feet then decreases altitude by 10 feet.
C The hiker starts at 10 feet then increases altitude by 10 feet.
D The hiker starts at 0 feet then decreases altitude by 10 feet.
2.(7NS2a)
Yesterday, the temperature change for a 5-hour period of time was – degree per hour. Which statement describes this change?
A The temperature rose 5 degrees. B The temperature rose by 4 degree
C The temperature fell by 4 degrees D The temperature fell by 5 degrees
3.(7NS2c)
What is the value of the expression below?
4 . 2
A 2 B 3 C 8 D 12
4.(7NS3)
The table shows prices for shoe rental, games, and snacks at the bowling alley.
Gina rented shoes, bowled 3 games, and bought 1 order of nachos. She used a coupon for ½ off the price of her bowling games. What was Gina's total cost before tax was added?
A $5.75 B $6.00 C $8.25 D $12.00
16. (7NS1d)
What is the value of the expression below?
+ (-) + (-) +
A 0 B C D 2
5. (7NS2a)
What is the value of the expression below?
(-) x (3)
A 3 B 2 C -2 D -3
6.(7NS3)
Gretchen makes pillows using 1⅝ yards of fabric per pillow. She has 8¼ yards of fabric.
What is the greatest number of pillows Gretchen can make?
A 4 B 5 C 6 D 8
7. (7NS3)
The 90 members of a service club had the opportunity to vote for club officers on Tuesday or Wednesday.
· of the members voted on Tuesday.
· of the members who did not vote on Tuesday voted on Wednesday.
How many of the club members did not vote at all?
A 36 B 27 C 22 D 9
8.(7NS1b)
Which phrase correctly describes the location on the number line of the opposite of -8?
A a point 8 units to the left of – 8 B a point 8 units to the right of - 8
C a point 8 units to the left of 0 D a point 8 units to the right of 0
9. (7NS.1)
From midnight to 7:00 a.m., the temperature dropped 1.35° each hour. If the temperature at midnight was 10°, what was the temperature at 7:00 a.m.?
Show your work.
Answer ______0C
10.(7NS.3)
A pine tree measured 40½ feet tall. Over the next 7½ years, it grew to a height of 57 feet. During the 7½years, what was the average yearly growth rate of the height of the tree?
Show your work.
Answer ______feet per year
11. (7NS.3)
On the first day camping, a group hiked at a rate of 2¼ miles per hour for 2½ hours before taking a break. How many miles had the group hiked before the break?
Show your work.
Answer ______miles
The group hiked a total of 17.4 miles on the first day. On the second day, the group hiked a distance 12% more than the total distance hiked on the first day. To the nearest tenth of a mile, how many miles did the group hike on the second day?
Show your work.
Answer ______ miles