Test pratique de mathématiques de 4e année SBAC
Jasper collects 1,082 cans of food. He gives a certain number of cans to the first local charity he finds. He now has 602 cans of food. How many cans of food did he give to the first local charity?
Correct!
Wrong!
In order to find the number of cans of food he gave to the first charity, the number of cans of food he has left needs to be subtracted from the number of cans he collected.
Which of the following number sentences is represented by the array shown below?
X X X X X X
X X X X X X
X X X X X X
X X X X X X
Correct!
Wrong!
The array represents the multiplication sentence, . Note. There are 4 rows and 6 x’s in each row.
Kevin approved 13 trees out of every group of trees he surveyed. He surveyed 15 groups of trees. How many trees did he approve?
Correct!
Wrong!
Since he approved 13 trees out of every group of trees and surveyed 15 groups, he approved trees, or 195 trees.
Which of the following correctly describes the relationship between the values of x and y, as shown in the table below?
Correct!
Wrong!
The value of y is indeed 4 times the value of x. Note. 4 is 4 times the value of 1; 8 is 4 times the value of 2; 12 is 4 times the value of 3; and 16 is 4 times the value of 4.
If the measure of angle BAC is 38° and the measure of angle DAE is 49°, then what is the measure of angle CAD?
Correct!
Wrong!
93°: Since the angle of a straight line is known to be 180°, then 38° and 49°can be subtracted from that to get 93°.