Multiplying Two Digits by One Digit and Addition and Subtraction

Solve the following problem using partial products: 87 x 4

• 348

• 328

• 448

• 300

Solve the following using partial products: 78 x 6

• 668

• 468

• 476

• 500

Solve the following using the box method: 45 x 9

• 36

• 456

• 78

• 405

When multiplying a 2-digit number by a 1-digit number, you should multiply

• multiply one digit and add the other digit

• multiply both digits by the single digit as they are written

• multiply only the value of the tens place digit

• multiply the value of both digits in the 2-digit number by the one-digit number then add both sums

Mrs Lee bought 72 boxes of sweets.

There were 62 sweets in each box.

How many sweets did Mrs Lee buy altogether?

Jordan has 4 bookshelves. Each shelf has 56 books. Amy has 5 bookshelves. Each of Amy’s shelves has 47 books.

Jordan has ​ (a)   books.

Amy has ​ (b)   books.

Amy has ​ (c)   more books than Jordan.

• 224

• 235

• 11

• 280

• 188

• 45

• 56

• 92

36 x 7 =

A restaurant has 8 full cartons of eggs. Each carton holds 12 eggs. If 5 eggs are used, which expression shows the number of eggs the restaurant has?

• 8+(12−5)

• 8×(12−5)

• (8+12)−5

• (8×12)−5

Multiplying is the same computation as

• repeated subtraction

• repeated addition

• diving each number by the number in front of it

• exponents

32 x 5=

• (30) + (2) + (5)=

• (30 + 5) + (2 + 5)=

• (30 x 5) + (2 x 5)=