Review of M5L1 thru M5L3

Multiplying with decimals

100

(0.2)(50)(-0.9)

-9

200

(0.1)(-0.2)(10)(-10)

2

300

(-28)(-0.5)(-0.5)(-0.1)(10)

7

400

(-0.01)(-50)(-0.5)(-0.2)(-10)

-0.5

500

(0.25)(4)(0.333333)(3)(-100)

-100

Multiplying with fractions

100

(-3/4)(1/3)(-4/5)

1/5    or 0.2

200

(2/3)(-9/8)(-4/5)(-1)

-3/5   or -72/120   or -0.6

300

(-4/5)(1/2)(2/4)(-1)(5)

1

400

(1/8)(-1/5)(25)(-16)

10

500

(-1/3)(9)(1/8)(24)(-5/6)

45/6 or 7 1/2 or 7 3/6 or 7.5

Long division

100

5/8

0.625

200

5/16

0.3125

300

Michelle must find the decimal equivalent of 15 1/8 yards. How can she do this without first writing the mixed number as a fraction? 

Find what 1/8 equals then add it to 15. 1/8= 0.125   so 15 1/8= 15.125

400

The value of a gift card to a rock climbing gym decreased by $34 after 4 equal charges to the card. Find the quotient -34 divided by 4 and explain what it means in this context. 

-8.5.   This means that every time the gift card decreased by $8.50  or they used $8.50 every time they went to the rock climbing gym.

500

1 1/6

1.17

Repeating or terminating

100

1/4

Terminating 0.25

200

7/9

0.777777777 never ending so repeating

300

10 4/11

10.36363636   repeating

400

1/5

Terminating 0.2

500

8 1/8

terminating  8.125

Equivalent fractions

100

-3/5

-6/10   -12/15 etc. 

200

-7/10

-14/20 etc

300

Three fractions equivalent to the quotient 50 divided by -17 using only the numbers -50, -17, 17, or 50

-50/17    -(50/17)    -(-50/-17)     

400

1/3

2/6 etc

500

Equivalent fractions without changing the numbers: 

-3/5

3/-5  or -(3/5)