Fluently adding and subtracting numbers between 20 and 100

Rewrite as an addition equation.

123 - 4 = 119

Mathematical Equivalence

OFF

Tags

CCSS.7.NS.A.1C

300+200

• 100

• 500

• 200

• 300

7 - 0 =

Tags

CCSS.2.NBT.B.5

Select ALL the math facts that match this number bond.

• $6+2=8$

• $8+6=2$

• $2+6=8$

• $8-2=6$

• $8-6=2$

Tags

CCSS.2.OA.A.1

42+51=

• 93
• 94
• 83
• 84

Tags

CCSS.2.NBT.B.5

CCSS.1.NBT.C.4

What is the missing number that will make the statement true?

7 + 7 = 20 - _______

Tags

CCSS.1.OA.D.8

What is the answer to the equation on the number line?

• 21

• 19

• 7

• 12

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

37 + 5 =

Tags

CCSS.2.NBT.B.5

Rewrite as an addition problem.

189 - 24

Mathematical Equivalence

OFF

Tags

CCSS.7.NS.A.1C

57 + 20 = _____

Tags

CCSS.2.NBT.B.5