Estimating

Round to the nearest 10.

277+439=

• 750

• 620

• 720

• 700

Round to the nearest 10.

689+640=

• 1,300

• 1,333

• 1,000

• 1,330

Round to the nearest hundred and solve.

574+888=

• 1,500

• 1,600

• 1,700

• 1,400

Estimate the difference to the nearest 100: 526-271=

• 200

• 300

• 255

• 797

Estimate the difference to the nearest 10: 681-132=

• 600

• 500

• 549

• 700

Use compatible numbers. Estimate to find the sum. 
34+83=

• 110
• 117
• 98
• 100

Tags

CCSS.3.NBT.A.2

Use compatible numbers. Estimate to find the sum. 
124 + 149=

• 300
• 275
• 273
• 175

Tags

CCSS.3.NBT.A.2

CCSS.3.NBT.A.1

Use compatible numbers. Estimate to find the sum. 
205 + 582=

• 787
• 785
• 834
• 700

Tags

CCSS.3.NBT.A.2

CCSS.3.NBT.A.1

Mrs. Jones bakes 141 sugar cookies. She bakes 87 oatmeal cookies. About how many more sugar cookies than oatmeal cookies did Mrs. Jones bake to the nearest tens?

• 54

• 60

• 50

• 250

Mr. Adam has 193 pennies. He also has 35 dimes. About ow many more pennies than dimes does Mr. Adam have to the nearest ten?

• 150

• 158

• 233

• 160