2 Digit x 2 Digit Mult./Long Division Review

Multiplying is the same computation as

• repeated subtraction

• repeated addition

• diving each number by the number in front of it

• exponents

78 x 91=

• 8071
• 7098
• 798
• 9878

Tags

CCSS.4.NBT.B.5

83 x 74

• 5142

• 642

• 6142

• 7412

Division is the same computation as

• repeated subtraction

• repeated addition

• diving each number by the number in front of it

• exponents

987÷3

• 329

• 120

• 60

• 60 R 2

235÷6=

• 28r5

• 34r1

• 39r1

• 45r8

498÷9=

• 67

• 167

• 55r3

• 47r2

What is the equation represented in the following area model?

• 624 x 2 = 1248

• 6204 x 2 = 12048

• 1248 x 2 = 624

What is this multiplication strategy called?

• Boxes and numbers
• Area Model
• Standard Algorithm

Tags

CCSS.4.NBT.B.5

What problem is being shown in this model?

• There is no problem.
• 20 x 40
• 44 x 22
• 48 x 26