Mastering Rounding Skills

What is the rule for rounding to the nearest 10?

• Round to the nearest 5 instead of 10.

• If the ones digit is 5 or more, round up; if less than 5, round down.

• If the ones digit is 4 or less, round up; if more than 4, round down.

• Always round up regardless of the ones digit.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Round 47 to the nearest 10.

• 40

• 60

• 50

• 30

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Round 82 to the nearest 10.

• 90

• 70

• 75

• 80

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What is the rule for rounding to the nearest 100?

• If the tens digit is 4 or less, round up; if 5 or more, round down.

• Round to the nearest 50 instead of 100.

• If the tens digit is 5 or more, round up; if less than 5, round down.

• Always round up regardless of the tens digit.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Round 256 to the nearest 100.

• 200

• 350

• 300

• 250

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Round 349 to the nearest 100.

• 350

• 300

• 400

• 250

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What is the rule for rounding to the nearest 1000?

• If the hundreds digit is 5 or more, round up; if less than 5, round down.

• Round to the nearest 500 instead of 1000.

• Always round up regardless of the hundreds digit.

• If the hundreds digit is 4 or less, round up; if more than 4, round down.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Round 1450 to the nearest 1000.

• 1000

• 2000

• 3000

• 1500

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Round 2890 to the nearest 1000.

• 3500

• 2500

• 3000

• 2000

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

If a store sells 245 items, how many would you estimate they sold if you round to the nearest 10?

• 260

• 240

• 250

• 300

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3