Be ready to learn when the bell rings.

JournalSharpened pencilRulerCalculatorYour happy face!!!

Uh-oh….we may have a problem!!There have been many abuses of the privilege

of chewing gum.Wrappers on the floorGum on the floor next to the garbage canBlowing bubbles and chewing it to everyone

can see it

So…no more warnings!!! ONE more violation and this room will become a no gum zone.

Why learn basic math skills?http://

www.youtube.com/watch?v=BbX44YSsQ2I

See if you can be a “lifeline” for this contestant.

Mid-Unit Test Results

A B C D F

Number of students 62 52 32 19 6

5

15

25

35

45

55

65

Results of Mid-Unit Test

Number of students

Changing Fractions to Decimals and Decimals to Fractions

CCSS: 4.N.F.7: Write fractions as decimals and decimals as fractions.

This skill will be needed to write percents…our next focus.

Examine the double number line.

0 ¼ ½ ¾ 1| | | | |

0 0.25 0.5 0.75 1

When have you used decimals? When have you used fractions?Discuss in your groups different situations when

you use the different forms of numbers. Copy this double number line into your Journal.

Changing Decimals to FractionsRead the decimal. Write it as a fraction.Simplify if possible.

Ex. O.8 is “eight tenths” , so write it as 8/10. 8/10 = 4/5

You try it! Write 0.36 as a fraction in simplest form.Write 0.4 as a fraction in simplest form.Write 2.005 as a mixed number in simplest

form.

Changing Fractions to DecimalsTo write a fraction as a decimal, divide the

numerator by the denominator.Ex. ¼ means 1 ÷ 4 1 ÷ 4 = 0.25

½ means 1 ÷ 2 1 ÷ 2 = 0.5

You try it! Write the following fractions as decimals: 4/5 3/8 2 ¾

Types of DecimalsTerminating decimals have a final digit.

0.250.58.45

Repeating decimals have one or more digits that repeat forever! We use a repeat bar to indicate the repeating digits.0.2333333333… Written as 0.24.2727272727… Written as 4.

Answers to1. Terminating decimals have a final digit,

whereas repeating decimals repeat forever!2. 0.5 10. 3/53. 1.25 11. 1 1/44. 1.3333… or 1. 12. 1/55. 0.83333… or 0.8 13. 1/86. 2.6666… or 2. 14. 88 2/5 meters7. 2.48. 0.759. 3.444… or 3.