Exploring Area Models and Standard Algorithm for Multiplication

What are the two numbers being multiplied in this video?

• 300 and 500

• 352 and 481

• 150 and 250

• 200 and 400

Tags

CCSS.4.NBT.B.5

How can the number 352 be rewritten?

• 350 + 2

• 300 + 52

• 300 + 50 + 2

• 300 + 20 + 32

Tags

CCSS.2.NBT.A.3

What is the first step in the grid method for multiplying 352 and 481?

• Dividing the numbers

• Setting up a grid

• Adding the numbers

• Subtracting the numbers

Tags

CCSS.5.NBT.B.5

What is the result of multiplying 2 by 400 in the grid method?

• 160

• 800

• 400

• 200

Tags

CCSS.4.NBT.B.5

What is the sum of the row when 2 is multiplied by 400, 80, and 1?

• 2

• 160

• 800

• 962

Tags

CCSS.4.NBT.B.5

In the standard algorithm, what is the first digit in the ones place of 352?

• 1

• 2

• 5

• 3

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is the result of 2 times 8 in the standard algorithm?

• 32

• 16

• 24

• 8

Tags

CCSS.4.NBT.B.5

Why do we put a zero before multiplying by 50 in the standard algorithm?

• It's a random step

• To avoid errors

• To make the calculation easier

• Because it represents five tens

Tags

CCSS.5.NBT.B.5

What is the result of 3 times 4 plus 2 in the standard algorithm?

• 14

• 12

• 16

• 18

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

What is the final result of multiplying 352 and 481 using both methods?

• 962

• 24,050

• 144,300

• 169,312

Tags

CCSS.5.NBT.B.5