Intro to decimals and modeling decimals

What does a decimal show?

• A whole number

• A piece smaller than a whole number

Tags

CCSS.5.NBT.A.2

What whole number and decimal are shown in this model?

• 1.8

• 18

• 180

• 1.8.0

Tags

CCSS.5.NBT.B.7

What do you notice about the different ways to write 1.8?

• Adding more zeroes after the 8 makes the number larger

• Adding more zeroes after the 8 makes the number smaller

• Adding more zeroes after the 8 does not change the number

Tags

CCSS.5.NBT.A.3A

What whole number and decimal are shown in this model?

• 1.75

• 175

• 17

• 1.7.5

Tags

CCSS.4.NF.C.6

What whole number and decimal are shown in this model?

• 119

• 11.9

• 1.19

• .119

Tags

CCSS.5.NBT.B.7

What whole number and decimal are shown in this model?

• 142

• .142

• 14.2

• 1.42

Tags

CCSS.4.NF.C.6

What is the difference between writing a whole number and writing a decimal in words?

180 = One-hundred eighty

180.1 = One hundred eighty and one tenth

• say, "dot" when you say the decimal point

• say, "point" when you say the decimal point

• say, "and" when you say the decimal point

• say, "also" when you say the decimal point

Tags

CCSS.5.NBT.A.3A

When you write a whole number, what word should you not write?

180 = One-hundred eighty

• one

• hundred

• and

• eighty

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

Which written whole number and decimal is written incorrectly?

• 17.4 = seventeen and four tenths

• 19.23 = nineteen twenty three hundredths

• 12.9 = twelve and nine tenths

• 1.149 = one and one-hundred forty-nine thousandths

Tags

CCSS.5.NBT.A.3A

What whole number and decimal are shown in this model?

• 1.917

• .1917

• 19.17

• 191.7

Tags

CCSS.4.NF.C.6