Operation and Algebraic Thinking

Samantha wrote this pattern.

40, 32, 24, 16, 8

Which is the rule for the pattern?

• Subtract 8

• Add 8

• Multiply by 8

• Divide by 8

Jackson put 16 baseballs into 4 bags.

He put the same number of baseballs

into each bag.

How many baseballs did Jackson put into each bag?

• 20 baseballs

• 5 baseballs

• 4 baseballs

• 7 baseballs

Which number sentence matches the word problem below?

Kara's book has 7 chapters. It takes her 6 minutes to read each chapter.

How long does it take her to read the whole book?

• 7 - 6 = 1

• 13 ÷ 7 = 6

• 7 x 6 = 42

• 7 + 6 = 13

Which multiplication equation has the same value for ____ as

48 ÷ _____ = 8

• 6 x ____ = 48

• 6 x 8 = ____

• 8 x ____ = 48

• 8 x 6 = ____

Which symbol makes the number sentence below true?

63 = 9 ____ 7

• -

• ÷

• x

• +

Beth drew 4 flowers on each of 3 papers.

Each flower had 6 petals.

Beth multiplied 4 x 3 x 6 to find the total number of petals.

Which expression shows another way she could find the total number of petals?

• 4 x 3 + 4 x 6

• 3 x 6 x 4

• 4 + 4 + 3 + 3

• 4 ÷ 3 x 6

Josh has 30 football cards to put in his booklet.

He can put 6 cards on each page.

Which is the least number of pages Josh will use to place all the cards in the booklet?

• 5

• 24

• 6

• 3

Cody set up 3 rows with _____ chairs in each row.

There are 4 chairs in the fourth row.

There were 22 chairs in all.

Which number solves the equation below and finds the total number of chairs Cody set up?

3 x ____ + 4 = 22

• ____ = 2

• ____ = 5

• ____ = 4

• ____ = 6

Nico said he would bring donuts in for his treat.

There are 27 students in the class.

Each box holds 10 donuts.

How many boxes does he need to bring in?

• 3

• 4

• 2

• 7

Bernie drew 3 pictures each day for 2 days.

He spent 5 minutes drawing each picture.

How many minutes did Bernie spend drawing pictures?

• 25

• 10

• 30

• 15