1-3 Both Addends unknown

There are 9 penguins

Some penguins are inside the cave

Some penguins are outside the cave

Which equation shows the number of penguins in all?

• 9 = 5 + 5

• 9 = 4 + 5

• 9 = 4 + 4

• 9 = 3 + 5

Manuel finds 6 leaves Some are red leaves and some are yellow leaves

How many of each could there be?

• 2 red leaves and 3 yellow leaves

• 3 red leaves and 3 yellow leaves

• 3 red leaves and 4 yellow leaves

• 5 red leaves and 2 yellow leaves

There are 7 frogs

Some frogs are on a log

Some frogs are in the grass

Which equation shows the number of frogs in all?

• 7 = 5 + 1

• 7 = 4 + 3

• 7 = 3 + 5

• 7 = 2 + 4

Eric sees 8 butterflies in the garden

Some are flying and some are sitting on flowers

How many of each could Eric have seen?

• 8 flying and 2 on flowers

• 5 flying and 4 on flowers

• 4 flying and 4 on flowers

• 3 flying and 6 on flowers

Joe had a total of 7 hits in two softball games

He had 4 hits in his first game

How many hits could he have had in his second game?

• 2 hits

• 3 hits

• 5 hits

• 7 hits