math grade 3

Susan had 20 pieces of melon.She shared them equally with herself and friends. How many pieces will each person get?

• 4

• 5

• 6

• 7

Answer explanation

Susan shared 20 pieces of melon with herself and friends. If she has 4 friends, that makes 5 people total. Dividing 20 by 5 gives 4 pieces each. However, if she has 1 friend, then 20 divided by 4 equals 5 pieces each.

Joseph had 25 trophies.  He put an equal number of trophies on each of his 5 shelves. How many trophies were on each shelf?

• 6

• 4

• 5

• 7

Answer explanation

To find out how many trophies Joseph put on each shelf, divide the total number of trophies (25) by the number of shelves (5). 25 ÷ 5 = 5. Therefore, there are 5 trophies on each shelf.

Mr. Smith has 3 science classes. Each group has 8 students in it. How many students does Mr. Smith have?

• 24

• 30

• 15

• 40

Answer explanation

Mr. Smith has 3 science classes with 8 students each. To find the total number of students, multiply 3 by 8: 3 x 8 = 24. Therefore, the correct answer is 24.

Rebecca sorted 48 marbles into 8 bags, how many marbles are in each bag?

• 7

• 8

• 6

• 9

Answer explanation

To find the number of marbles in each bag, divide the total number of marbles (48) by the number of bags (8). 48 ÷ 8 = 6. Therefore, there are 6 marbles in each bag.

George had 6 toy cars. Each car has 4 wheels. How may wheels do they have altogether?

• 18

• 24

• 14

• 20

Answer explanation

George has 6 toy cars, and each car has 4 wheels. To find the total number of wheels, multiply the number of cars by the number of wheels per car: 6 cars × 4 wheels/car = 24 wheels. Thus, the correct answer is 24.

John had 3 bags of cookies. Each bag had 4 cookies. How many cookies does he have in all?

• 12

• 18

• 24

• 22

Answer explanation

John has 3 bags, each containing 4 cookies. To find the total, multiply the number of bags by the number of cookies per bag: 3 x 4 = 12. Therefore, John has 12 cookies in all.

Veronica had 32 marbles. She sorted them into 8 groups. How many marbles will be in each group?

• 7

• 8

• 4

• 5

Answer explanation

To find out how many marbles are in each group, divide the total number of marbles (32) by the number of groups (8). 32 ÷ 8 = 4. Therefore, there will be 4 marbles in each group.

Mark had 32 ounces of liquid.  He poured  8 ounce glasses. How many glasses did he pour?

• 4

• 5

• 6

• 8

Answer explanation

Mark had 32 ounces and poured 8-ounce glasses. To find the number of glasses, divide 32 by 8: 32 ÷ 8 = 4. Therefore, he poured 4 glasses.

Which sentence does NOT belong in the fact family for 28 ÷ 7 = 4

• 7 x 4 = 28

• 28 ÷ 4 = 7

• 7 x 28 =196

• 4 x 7 = 28

Answer explanation

The sentence '7 x 28 = 196' does not belong in the fact family for 28 ÷ 7 = 4 because it represents a multiplication that is unrelated to the division and multiplication facts of 28, 7, and 4.

Which sentence does NOT belong in the same fact family as 45 ÷ 5 = 9?

• 5 x 45 = 225

• 45 ÷ 9 = 5

• 5 x 9 = 45

• 9 x 5 = 45

Answer explanation

The sentence '5 x 45 = 225' does not belong to the same fact family as '45 ÷ 5 = 9' because it involves a different multiplication that does not relate to the division or multiplication of 5 and 9.