Students can use the Spectrum Math Grade 3 Answer Key Chapter 7 Pretest as a quick guide to resolve any of their doubts.

Check What You Know

Question 1.
About how much water will a bucket hold?
a. 5 inches
b. 5 pounds
c. 5 liters
5 liters,

Explanation:
Generally about 5 liters of water a bucket can hold.

b. About how much does a pencil weigh?
a. 6 grams
b. 60 grams
c. 600 grams
6 grams,

Explanation:
Generally about 6 grams a pencil weigh.

Solve.

Question 2.
Kyle has 148 grams of cheese in a bag. Maria has 72 grams of cheese in a bag. How many grams of cheese do Kyle and Maria have altogether?
220 grams of cheese do Kyle and Maria had together,

Explanation:
Given number of grams of cheese do Kyle had in bag is 148 and number of grams of cheese do Maria had in bag is 72. So number of grams of cheese do Kyle and Maria had together is 148 + 72 = 220 grams.

Complete the graphs.

Question 3.
a.

Explanation:
Given from the bar graph the favorite sportÂ  ofÂ  students are calculated as baseball is favorite for 40 students, Soccer for 10 students and football is for 45 students respectively.

b.

Key __________ = 4
Key 8:30 = 4,

Explanation:
Given 3rd Grader’s bedtimes above in the table. So the key is 8:30 equals to 4.

Write the area of the figure.

Question 4.
a.

___________ sq. units
A = 12 sq. units,

Explanation:
Given from the figure length as 3 units and breadth as 4 units. So, area of the figure is l X b = 3 units X 4 units = 12 sq. units respectively.

b.

___________ sq. units
A = 12 sq. units,

Explanation:
Given from the figure length is 6 units and breadth is 2 units. So, area is l X b = 6 units X 2 units = 12 sq. units.

Question 5.
Draw the square units to find the area of the rectangle.

A = _____________ sq. units
A = 28 sq. units,

Explanation:
Given from figure draw 3 lines across to make 4 rows and draw 6 lines down to make 7 columns so, area of rectangle is l X b=7 units X 4 units = 28 sq. units.

Question 6.
Multiply to find the area.

A = ______________ sq. in.
A = 18 sq. in,

Explanation:
Given from the figure measurements are 6 in. and 3 in. therefore area is 6 in. X 3 in.=18 sq. in.

Question 7.
Find the area.

A = _____________ sq. units
A = 48 sq. units,

Explanation:

Given from the figure first divide into two figuresÂ  draw a line it makes one square and one rectangle so, area of first figure square is s X s = 4 X 4 = 16 sq. units and area of second figure rectangle is l X b= 4 X 8 = 32 sq. units therefore total area of figure is 16 sq. units + 32 sq. units = 48 sq. units.

Question 8.
Solve.
Blake is fencing a rectangular dog pen Two of the sides are 67 feet long and the other two sides are 41 feet. How many feet of fencing will Blake need?
_____________ ft.