Mental Math strategies

Add to find the __________

• part

• difference

• sum

Tags

CCSS.1.OA.A.1

Subtract to find the ___________________

• difference

• whole

• sum

Tags

CCSS.2.OA.A.1

Finding the sum means __________

• multiply

• subtract

• add

Tags

CCSS.1.OA.A.1

Finding the difference means ____________________

• add

• subtract

• mental math

Tags

CCSS.2.OA.A.1

Use mental math to solve.

86 + 8=

• 94

• 96

• 84

Tags

CCSS.2.NBT.B.5

Find the difference between 18 and 67.

• 85

• 51

• 49

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Find the sum of 200 and 189.

• 389

• 111

• 289

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

23 + 99 = 100 + ____________

• 222

• 122

• 22

Anew shirt costs $15. A new hat costs $7. Find the difference between the prices.

• $8

• $22

• $15

Tags

CCSS.3.OA.D.8

Jenny has $10 less than John. John has $65. How much money does Jenny have?

• $75

• $10

• $55

Tags

CCSS.1.OA.A.1