Multiplying 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 54) and multiply it by a number that has one digit (like 5).

Tags

CCSS.4.NBT.B.5

Front

What is the product of 54 and 5?

Back

270

Tags

CCSS.4.NBT.B.5

Front

What is the product of 32 and 9?

Back

288

Tags

CCSS.4.NBT.B.5

Front

What is the product of 94 and 4?

Back

376

Tags

CCSS.4.NBT.B.5

Front

What is the product of 89 and 9?

Back

801

Tags

CCSS.4.NBT.B.5

Front

What is the product of 18 and 5?

Back

90

Tags

CCSS.4.NBT.B.5

Front

How do you set up a multiplication problem with a 2-digit and a 1-digit number?

Back

Write the 2-digit number above the 1-digit number, aligning the digits to the right.

Tags

CCSS.4.NBT.B.5

Front

What is the first step in multiplying 2-digit by 1-digit?

Back

Multiply the 1-digit number by the digit in the ones place of the 2-digit number.

Tags

CCSS.4.NBT.B.5

Front

What do you do after multiplying the ones place in a 2-digit by 1-digit multiplication?

Back

If there is a tens place in the 2-digit number, multiply the 1-digit number by the digit in the tens place.

Tags

CCSS.4.NBT.B.5