Estimate vs Exact Sums and Differences

ESTIMATE the sum

• 1,100
• 1,152
• 1000
• 900

Find the EXACT sum

• 1,100
• 1,124
• 1000
• 900

Tags

CCSS.4.NBT.B.4

ESTIMATE the sum

• 299
• 280
• 300
• 275

Find the EXACT  sum

• 299
• 280
• 300
• 275

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

468-123=
Estimate the difference

• 345
• 400
• 300
• 500

621-376=
Estimate the difference

• 200
• 300
• 400
• 600

Find the exact sum

• 939
• 900
• 929
• 800

765+389=
Find the exact sum

• 1,154
• 1,144
• 1,054
• 1,200

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

John has 10 basketballs.  He gets 3 more.  How many basketballs does John have now?

• 7 basketballs
• 13 basketballs
• 7 Johns
• 13 Johns

Tags

CCSS.1.OA.A.1

Mike has 12 flowers.  He gives 8 flowers away.  How many flowers does Mike have now?

• 4 flowers
• 20 flowers
• 20 now
• 19 flowers

Tags

CCSS.2.OA.A.1