Mastering 2 Digit x 1 Digit Multiplication Techniques

What is one way to think about multiplication according to the review?

• As subtraction

• As division

• As groups of things

• As fractions

How can you solve 4 * 3 using arrays?

• By drawing 3 rows with 4 in each row

• By drawing 6 rows with 2 in each row

• By drawing 4 rows with 3 in each row

• By drawing 2 rows with 6 in each row

What is the product of 7 * 4 using repeated addition?

• 32

• 21

• 28

• 24

What is the first step in using repeated addition for 38 * 4?

• Divide 38 by 4

• Subtract 4 from 38

• Multiply 38 by 2

• Add 38 four times

What is the product of 38 * 4 using repeated addition?

• 144

• 156

• 152

• 148

How do you represent the number 26 in the array method?

• 2 bars for tens and 3 bars for ones

• 3 bars for tens and 2 bars for ones

• 6 bars for tens and 2 bars for ones

• 2 bars for tens and 6 bars for ones

What is the final product of 26 * 3 using arrays?

• 76

• 72

• 78

• 84

What is the first step in the partial products method for 57 * 8?

• Add 57 and 8

• Multiply 57 by 2

• Divide 57 by 8

• Break down 57 into 50 and 7

What is the product of 50 * 8 in the partial products method?

• 350

• 400

• 450

• 300

What is the final product of 63 * 2 using partial products?

• 130

• 124

• 120

• 126