Decimals Day 1

Decimals Day 1

Reading and Rounding Decimals

Open Ended

Decimals are like fractions because they are showing parts of a

whole, they are less than _______

Reading Decimal Numbers

1) Say the first part (left of the decimal) of the number like

normal. (if there is one)

2) Say “and” where the decimal is.

3) Read the second part as a group of three, like normal, but

say the name of the place the number ends in.

Multiple Choice

(zero and two tenths) or two tenths

• 0.2

• 0.002

• 2

• 2.0

Multiple Choice

(zero and eighty-five hundredths) or eighty-five hundredths

• 85

• 8.5

• 1.85

• 0.85

Multiple Choice

Two and three hundred seventy-six thousandths

• 2076

• 2.375

• 2.3

• 0.2375

Rounding Decimals

• Find your place you are rounding to

• Box that number and the neighbor in

• Create a number line with ten less and ten more

• Place your boxed number on the number line

• Round to the closer ten

• Change the number in your box to your new number

• Numbers in front stay the same and numbers behind the box turn to 0

Let's practice. Select the options that are true

Multiple Select

Select all that are TRUE when rounding to the nearest whole number.

• 3.6 rounds to 3

• 4.376 rounds to 4

• 8.09 rounds to 9

• 17.51 rounds to 17

Multiple Select

Select all that are TRUE when rounding to the nearest whole number.

• 7.71 rounds to 7

• 42.602 rounds to 43

• 0.518 rounds to 1

• 6.488 rounds to 7

Multiple Select

Which of the following do not round to 6?

• 6.3

• 6.457

• 6.59

• 6.179

• 6.09

Multiple Select

Which of the following do not round to 7?

• 6.61

• 6.80

• 6.48

• 7.59

• 7.27

Multiple Select

Which of the following do not round to 8?

• 8.08

• 7.47

• 8.53

• 8.24

• 7.50

Multiple Select

Which of the following do not round to 9?

• 8.511

• 8.265

• 8.7

• 8.42

• 8.602

Multiple Choice

A box of candy weighs 3.72 pounds. What is the number rounded to the nearest pound?

• 2

• 3

• 3.7

• 4

Multiple Choice

Whst is 158.991 rounded to the nearet whole number?

• 150

• 158

• 159

• 160

Multiple Choice

Which of the following cannot be rounded to 6?

• 6.293

• 6.305

• 6.449

• 6.5