Basic Multiplication and Addition Problems

The video tutorial covers a chapter 3 review, focusing on solving various multiplication problems using different models and properties. It includes problems involving boats, stickers, hiking, arrays, apples, dinner rolls, wire, dogs, paint cans, coins, trading cards, unicycles, tacos, and sock puppets. The commutative property of multiplication is emphasized, and students are encouraged to use different methods like arrays, bar models, and number lines to solve problems. The tutorial concludes with a review and preparation for the chapter test.

How many people are there in total if there are 3 boats with 6 people each?

• 18

• 12

• 30

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If Nadia has 4 sheets of stickers with 8 stickers on each, what is the total number of stickers?

• 16

• 40

• 24

• 32

Lindsay saw the same number of birds each day for two days. If she saw 8 birds on the first day, how many did she see in total?

• 16

• 20

• 8

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Paco drew an array with 3 rows and 7 desks in each row. What is the total number of desks?

• 24

• 18

• 14

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Alondra makes 4 necklaces with 5 beads each. How many beads does she use in total?

• 30

• 15

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John sold 3 baskets of apples with 9 apples in each. How many apples did he sell in total?

• 18

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• 27

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Which of the following shows the commutative property of multiplication?

• 4 x 9 = 9 x 4

• 5 x 0 = 0

• 6 x 1 = 1 x 6

• 3 x 2 = 2 x 3

A waiter carried 6 baskets with 5 dinner rolls each. How many dinner rolls did he carry in total?

• 35

• 25

• 40

• 30

Sonja needs 3 equal lengths of wire, each 6 inches long. How many inches of wire does she need in total?

• 12

• 15

• 18

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Josh has 4 dogs, each getting 2 biscuits every day. How many biscuits does he need for Saturday and Sunday?

• 20

• 24

• 12

• 16