Multiply 3 digit by 2 digit

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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 3-digit number by a 2-digit number?

Back

It means to take a number that has three digits (like 123) and multiply it by a number that has two digits (like 45). This involves more steps than multiplying smaller numbers.

Tags

CCSS.4.NBT.B.5

Front

What is the first step in multiplying a 3-digit number by a 2-digit number?

Back

The first step is to multiply the 3-digit number by the ones place of the 2-digit number.

Tags

CCSS.4.NBT.B.5

Front

What is the second step in multiplying a 3-digit number by a 2-digit number?

Back

The second step is to multiply the 3-digit number by the tens place of the 2-digit number, and then shift the result one place to the left.

Tags

CCSS.4.NBT.B.5

Front

How do you align numbers when multiplying?

Back

When multiplying, align the numbers by their rightmost digits. This helps keep the place values correct.

Tags

CCSS.4.NBT.B.5

Front

What is the product of 123 and 45?

Back

The product of 123 and 45 is 5535.

Tags

CCSS.4.NBT.B.5

Front

What is the distributive property in multiplication?

Back

The distributive property states that a(b + c) = ab + ac. This means you can break down a multiplication problem into smaller parts.

Tags

CCSS.3.OA.B.5

Front

How can you check your multiplication answer?

Back

You can check your multiplication answer by using addition or by multiplying the numbers in a different order.

Tags

CCSS.4.NBT.B.5

Front

What is a partial product?

Back

A partial product is the result of multiplying a part of one number by a part of another number during the multiplication process.

Tags

CCSS.4.NBT.B.5

Front

What is regrouping in multiplication?

Back

Regrouping in multiplication is when you carry over numbers to the next place value when the product exceeds 9.

Tags

CCSS.4.NBT.B.5