Multiplication and Basic Arithmetic Problems

The video tutorial covers a daily review of math problems, including multiplication, arrays, skip counting, and money calculations. It begins with an introduction and a problem about Justin's piano practice, followed by finding a missing factor in a multiplication problem. The tutorial then explores breaking down arrays, identifying numbers common in skip counting by 2 and 5, and writing multiplication equations from bar diagrams. It also includes comparing arrays to find equal counters, using fours facts for multiplication, and calculating the remaining money needed to buy a game.

How many days does Justin practice piano in six weeks if he practices three days a week?

• 18 days

• 15 days

• 12 days

• 21 days

If the product of two factors is 36 and one factor is 9, what is the other factor?

• 6

• 3

• 4

• 5

What is the original array if Marissa breaks it into two smaller arrays: one is 3x4 and the other is 2x4?

• 6x4

• 5x4

• 8x4

• 7x4

Which numbers do you say when skip counting by both 2 and 5?

• 5 and 15

• 10 and 20

• 10 and 30

• 15 and 25

What multiplication equation represents the bar diagram with seven groups of three?

• 3x8

• 3x7

• 3x6

• 3x5

If Keegan's array is 2x6, how many counters are in each row of Liam's array with three rows?

• 5

• 4

• 3

• 2

How can you use the multiplication fact of 4 to solve 8x3?

• 4x4 + 4x2

• 4x3 + 4x3

• 4x2 + 4x4

• 4x3 + 4x4

Curtis wants a game that costs $59 and has saved $25. How much more does he need?

• $24

• $34

• $44

• $54