Unit 1 Review (2nd)

April has 16 pears. She gives 8 pears away. 

How many pears does April have now? Which addition fact helps you solve the problem?

• 7+8+15

• 7+7=14

• 8+8=16

• 1+7=8

Tags

CCSS.1.OA.A.1

CCSS.1.OA.B.4

CCSS.1.OA.C.6

CCSS.1.OA.D.8

Does 9 make the number sentence true?

• yes

• no

There are 4 cows sleeping. Some more cows join them. Now there are 9 cows sleeping. How many cows joined them?

• 3 cows

• 4 cows

• 5 cows

• 9 cows

Tags

CCSS.1.OA.A.1

CCSS.1.OA.C.6

CCSS.1.OA.D.8

Barbara has 18 dogs. Callie has 8 dogs.

How many more dogs does Barbara have than Callie?

• 8-7=1

• 18-6=12

• 8+8=16

• 18-8=10

Tags

CCSS.1.OA.A.1

CCSS.1.OA.C.6

Solve for the missing number.

7+____=13

• 6

• 7

• 10

• 3

Tags

CCSS.1.OA.A.1

CCSS.1.OA.B.4

CCSS.1.OA.C.6

CCSS.1.OA.D.8

Erika and Francis baked 12 cookies altogether. Erika baked 7 cookies.

How many cookies did Francis bake?

• 3

• 2

• 5

• 12

Tags

CCSS.1.OA.A.1

CCSS.1.OA.B.4

CCSS.1.OA.C.6

CCSS.1.OA.D.8

Build the equation. George brings 8 brownies to school. His friend gives him 6 more.

How many brownies does George have for lunch?

• 14

• 6

• =

• 8

• +

Tags

CCSS.1.OA.A.1

CCSS.1.OA.A.2

CCSS.1.OA.C.6

Which of these are related facts fr 4+12=16?

Choose ALL correct answers.

• 4+10=14

• 12+4=16

• 16-4=12

• 12-4=8

Tags

CCSS.1.OA.C.6

CCSS.1.OA.D.7

Which number sentence matches the model?

• 2+2=4

• 6+6=12

• 2+6=8

• 6+6+6+6=24

Tags

CCSS.1.OA.D.7

CCSS.1.OA.D.8

Iris, Jen, and Kim bought 4 hamburgers each. 

How many hamburgers did they buy altogether?

• 12

• 6

• 7

• 8

Tags

CCSS.1.OA.A.1

CCSS.1.OA.A.2

CCSS.1.OA.C.6