Multiplication 2 digits by 1 digit no regrouping

Front

What is multiplication?

Back

Multiplication is a way to add a number to itself a certain number of times. For example, 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 you are taking a number that has two digits (like 21) and multiplying it by a single-digit number (like 5).

Tags

CCSS.4.NBT.B.5

Front

What is the product of 72 and 4?

Back

288

Tags

CCSS.4.NBT.B.5

Front

What is the product of 21 and 5?

Back

105

Tags

CCSS.4.NBT.B.5

Front

What is the product of 14 and 2?

Back

28

Tags

CCSS.4.NBT.B.5

Front

What is the product of 23 and 2?

Back

46

Tags

CCSS.4.NBT.B.5

Front

What is the product of 53 and 3?

Back

159

Tags

CCSS.4.NBT.B.5

Front

How do you multiply a 2-digit number by a 1-digit number without regrouping?

Back

You multiply the 1-digit number by each digit of the 2-digit number separately, starting from the right.

Tags

CCSS.4.NBT.B.5

Front

What is the first step in multiplying 72 by 4?

Back

Multiply 4 by the digit in the ones place of 72, which is 2.

Tags

CCSS.4.NBT.B.5

Front

What is the second step in multiplying 72 by 4?

Back

Multiply 4 by the digit in the tens place of 72, which is 7.

Tags

CCSS.4.NBT.B.5