Unit 1 Operations and Algebraic Thinking

Choose even or odd.

7

• even

• odd

Tags

CCSS.HSF.BF.B.3

Paisley had 7 toy dinosaurs. Felicity bought her 8 more at the toy store.

How many dinosaurs does Paisley have now?

Tags

CCSS.1.OA.C.6

CCSS.1.OA.A.1

CCSS.1.OA.A.2

Doubles + Doubles Fact + 1

7+7=

7+7+1=

Tags

CCSS.1.OA.C.6

CCSS.1.OA.A.1

CCSS.1.OA.B.3

Solve

9+8=

• 18

• 17

Tags

CCSS.1.OA.C.6

CCSS.1.OA.A.1

CCSS.1.NBT.C.4

6 + 8=

Tags

CCSS.1.OA.C.6

CCSS.1.OA.A.1

CCSS.1.OA.B.3

Choose even or odd.

8

• even

• odd

Tags

CCSS.HSF.BF.B.3

Savannah loves to color. She had 13 crayons on her desk. Lillian borrowed 9 crayons.

How many crayons does Savannah have left?

Tags

CCSS.1.OA.C.6

CCSS.1.OA.A.1

CCSS.1.OA.B.3

CCSS.1.OA.A.2

Doubles + Doubles Fact + 1

8+8=

8+8+1=

Tags

CCSS.1.OA.C.6

CCSS.1.OA.A.1

CCSS.1.NBT.C.4

Use the array to write an equation to match Charlie's and Camden's tasty treats.

Tags

CCSS.1.OA.C.6

CCSS.1.OA.A.1

CCSS.1.OA.D.7

CCSS.1.OA.D.8

9+ 4=

Tags

CCSS.6.EE.A.2C