Using multiplication to find combinations

Jackie is playing a card game with triangles and circles. Each shape can be blue, red, yellow, or green. How many different cards are there?

Tags

CCSS.4.NBT.B.5

Madison needs to choose 1 breakfast item and 1 drink. Find the number of possible combinations.

Tags

CCSS.2.OA.C.4

Lucia's three dogs have red, purple, blue, green, and orange collars that they can take turns wearing. Find the number of possible dog and collar combinations.

Tags

CCSS.5.MD.B.2

Diana can take 1 pencil and 1 eraser to school. Her choices are shown. How many different pencil and eraser combinations are there?

Draw a tree diagram.

• 2 + 3 = 5 combinations

• 2 x 3 = 6 combinations

• 2 x 3 x 2 = 12 combinations

Tags

CCSS.7.SP.C.8B

For a snack, Randy can choose from peanuts, carrots, or popcorn. He can have water or juice to drink. How many snack and drink combinations are there?

Draw a tree diagram.

• 3 x 2 = 6

• 3 + 2 = 5

• 3 x 2 x 2 = 12

Tags

CCSS.7.SP.C.8B

True or False?

Each branch of a tree diagram shows a possible combination of items.

• True

• False

Tags

CCSS.7.SP.C.8B

Amanda bought 4 pairs of shoes and 5 purses. Which number sentence shows the number of different shoes and purse combinations that Amanda can make?

• 4 + 5 = 9

• 4 + 4 + 4 + 4 = 16

• 5 x 8 = 40

• 4 x 5 = 20

Tags

CCSS.3.OA.A.3

Which represents these number sentences?

3 + 3 + 3 = 9

3 x 3 = 9

• 
• 

Tags

CCSS.2.OA.C.4

Which represents these number sentences?

5 + 5 = 10

2 x 5 = 10

• 
• 

Tags

CCSS.4.NBT.B.5

Find the possible combinations of one yogurt and one topping.

Tags

CCSS.4.NBT.B.5