Double Digit Multiplication Halloween Escape Room!

Front

What is double-digit multiplication?

Back

Double-digit multiplication involves multiplying two numbers that each have two digits, such as 14 x 32.

Tags

CCSS.4.NBT.B.5

Front

How do you calculate the total cost of multiple items?

Back

Multiply the price of one item by the number of items. For example, if one tree costs $32 and you buy 14 trees, the total cost is 32 x 14.

Tags

CCSS.3.OA.D.8

Front

What is the formula to find change after a purchase?

Back

Change = Amount given - Total cost. For example, if you pay with $500 for a $448 purchase, the change is 500 - 448.

Tags

CCSS.7.EE.B.3

Front

How do you find the total earnings from selling multiple items?

Back

Multiply the price of one item by the number of items sold. For example, if popcorn sells for $20 and cotton candy sells for 20 times that, the earnings from cotton candy are 20 x 20.

Tags

CCSS.4.OA.A.2

Front

What is the product of 17 and 44?

Back

748

Tags

CCSS.4.NBT.B.5

Front

What is the product of 18 and 20?

Back

360

Tags

CCSS.4.NBT.B.5

Front

How do you calculate seating capacity in a cafeteria?

Back

Multiply the number of tables by the number of students each table can seat. For example, 14 tables x 16 students = 224 students.

Front

What does it mean to multiply by 10?

Back

Multiplying by 10 shifts the digits one place to the left, making the number ten times larger. For example, 5 x 10 = 50.

Tags

CCSS.5.NBT.A.2

Front

What is the importance of estimating in multiplication?

Back

Estimating helps to quickly check if an answer is reasonable. For example, estimating 14 x 30 instead of 14 x 32 can give a rough idea of the answer.

Front

What is a multiplication array?

Back

A multiplication array is a visual representation of multiplication, showing rows and columns. For example, 3 rows of 4 can represent 3 x 4.

Tags

CCSS.3.OA.A.1