Rounding Numbers to Zero, One-Half, or One

means making a number simpler but keeping its value close to what it was.

• Comparing

• Ordering

• Rounding

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

If the digit being rounded off is followed by number 0, 1, 2, 3, 4, so _____________ the digit.

• round down

• round up

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

When do we round up?

• We round up when the digit at the right side of the digit to be rounded is 0, 1, 2, 3, or 4.

• We round up when the digit at the right side of the digit to be rounded is 5, 6, 7, 8, or 9.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Round 18.194 to the nearest whole number

• 18.19

• 18.2

• 18

Tags

CCSS.5.NBT.A.4

Round 14.67 to the nearest whole.

• 14.68

• 14

• 15

• 13

Tags

CCSS.5.NBT.A.4

Round 0.45 to the nearest whole.

• 0

• 0.50

• 1

• 5.0

Tags

CCSS.5.NBT.A.4

Lillie's mom fills her car with 14.297 gallons of gas. What is this amount of gas rounded to the nearest whole number?

• 14

• 15

• 14.3

• 14.2

Tags

CCSS.5.NBT.A.4

Round 1.823 to the nearest whole number.

• 1

• 1.8

• 2

• 2.8

Tags

CCSS.5.NBT.A.4

Round $5.32 to the nearest dollar.

• $5.30

• $4.00

• $5.00

• $6.00

Tags

CCSS.5.NBT.A.4

Rounding means...

• finding the exact answer.

• always making a number smaller.

• always making a number bigger.

• making a number simpler, but keeping its value closer to what it was.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3