Estimation of Sums

Estimate the answer to:

906 + 397

• 1300

• 1200

• 1310

• 1303

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

Estimate the answer to:

578 + 720

• 1300

• 1200

• 1290

• 1298

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Estimate the answer to:

1965 - 370

• 1600

• 1500

• 1595

• 2400

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Estimating is to....

• find the exact answer

• find something close to the correct answer

• use an algorithm

Tags

CCSS.3.OA.D.8

When estimating 347+ 455 you should...

• Round both numbers to the nearest ten and add them mentally

• Line both numbers up and solve to find the answer

• Round both numbers to the nearest hundred and add them mentally

• Round both numbers to the nearest tenth and add them mentally

Tags

CCSS.3.NBT.A.1

CCSS.3.OA.D.8

Estimate my change.... I buy a $71 pair of runners, I give a $100 (2 x $50 notes) , my change will be about?

• $171

• $25

• $20

• $30

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Estimate my change.... I buy a $28.75 basketball, I give a $50 note , my change will be about?

• $78.75

• $25

• $20

• $30

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Estimate 359 + 481

• 360 + 480

• 350 + 450

• 300 + 500

• 400 + 600

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

Estimate 159 + 401

• 160 + 400

• 150 + 450

• 150 + 350

• 400 + 600

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

Estimate  24 + 67

• 910
• 80
• 95
• 90

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8