EDM Unit 2 Review

What are the two turn around facts for this domino?

• 7+3=10, 3+7=10

• 6+4=10, 4+6=10

• 6+4=10, 10-6=4

• 7+3=10, 10-7=3

Tags

CCSS.1.OA.B.3

What number is the name collection box for?

• 6

• 5

• 4

• 7

Tags

CCSS.1.NBT.A.1

6+6= _____

• 12

• 10

• 11

• 13

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

6+____=10

• 4

• 5

• 6

• 3

Tags

CCSS.1.OA.A.1

9+_____=10

• 0

• 1

• 2

• 3

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

____+7=10

• 2

• 3

• 4

• 5

Tags

CCSS.1.OA.D.8

_____+8=10

• 4

• 1

• 2

• 3

Tags

CCSS.1.OA.D.8

How do you know if a number is even?

• The number ends in 1, 3, 5, 7, 9

• Everyone has a buddy

• One is left over

Tags

CCSS.2.OA.C.3

How do you know if a number is odd?

• The number ends in 0, 2, 4, 6, or 8

• There is one left over when making pairs

• Everyone has a buddy

Tags

CCSS.2.OA.C.3

Coblie knew that she could use 9+1=10 to help her figure out the sum for 9+3. How did she use this fact?

• Used a double fact

• Used a ten fact

Tags

CCSS.1.OA.C.6

CCSS.1.OA.B.3