Multiplication 2-digit by 1-digit

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Tags

CCSS.3.OA.A.1

Front

What does it mean to multiply a 2-digit number by a 1-digit number?

Back

It means to take a number that has two digits (like 22) and multiply it by a number that has one digit (like 4). This can be done using the standard algorithm or by breaking it down into simpler steps.

Tags

CCSS.4.NBT.B.5

Front

How do you solve 4 x 22?

Back

You can break it down: 4 x 22 = 4 x (20 + 2) = (4 x 20) + (4 x 2) = 80 + 8 = 88.

Tags

CCSS.3.OA.C.7

Front

What is the product of 5 and 18?

Back

The product of 5 and 18 is 90, calculated as 5 x 18 = 90.

Tags

CCSS.4.NBT.B.5

Front

How do you find the total number of items in equal groups?

Back

To find the total number of items in equal groups, multiply the number of groups by the number of items in each group.

Tags

CCSS.2.OA.C.3

Front

If each pack has 31 rings and there are 4 packs, how many rings are there in total?

Back

To find the total, multiply: 4 x 31 = 124 rings.

Tags

CCSS.3.OA.A.3

Front

What is the total number of folders if each student brings 4 folders and there are 19 students?

Back

Multiply the number of students by the number of folders each brings: 19 x 4 = 76 folders.

Tags

CCSS.3.OA.A.3

Front

How do you calculate the total food needed for a dog over several weeks?

Back

Multiply the amount of food the dog eats in a week by the number of weeks. For example, if a dog eats 12 pounds a week for 4 weeks: 12 x 4 = 48 pounds.

Tags

CCSS.3.OA.A.3

Front

What is the multiplication sentence for 4 alligators eating 22 fish each?

Back

The multiplication sentence is 4 x 22 = 88 fish.

Tags

CCSS.4.OA.A.1

Front

What is a multiplication fact?

Back

A multiplication fact is a simple multiplication equation, such as 3 x 4 = 12.

Tags

CCSS.3.OA.C.7