Weekly word problems (Math)

Front

What is the average number of kids in a class if there are 20 kids in each class and 36 classes in total?

Back

720 kids in total (20 kids/class * 36 classes = 720 kids).

Front

If Millie had 13 candies and got 3 times that amount for Christmas, how many candies does she have now?

Back

39 candies (13 candies * 3 = 39 candies).

Front

How many school buses are at each school if there are 60 school buses and 4 schools?

Back

15 buses per school (60 buses / 4 schools = 15 buses/school).

Front

How many cookies are in 2 dozen?

Back

24 cookies (1 dozen = 12 cookies, so 2 dozen = 2 * 12 = 24 cookies).

Front

If 22 people signed up for student president and 3 people were voted out at each meeting, how many meetings were needed to reduce the number to 1?

Back

7 meetings (22 - 1 = 21; 21 / 3 = 7 meetings).

Front

What is the formula to find the total number of items when given the average and the number of groups?

Back

Total = Average * Number of Groups.

Front

If a class has 25 students and 5 students are absent, how many students are present?

Back

20 students present (25 - 5 = 20).

Front

What is the total number of legs if there are 4 cats and each cat has 4 legs?

Back

16 legs (4 cats * 4 legs/cat = 16 legs).

Front

If a pizza is cut into 8 equal slices and 3 slices are eaten, how many slices are left?

Back

5 slices left (8 - 3 = 5).

Front

What is the total cost if one toy costs $15 and you buy 4 toys?

Back

$60 (4 toys * $15/toy = $60).