Decimals
When turning a fraction into a decimal we…
Divide the numerator (top) by the denominator (bottom)
1/3 + 4/3 =
1 2/3
The temperature in the morning at 17 degrees. By the afternoon, it rose up to 35 degrees. What is the difference in temperatures?
18 degrees
What is an integer?
Positive or negative WHOLE number
What property is being used here ?
(-2 x -4) x 5 = -2 x (-4 x 5)
Associative property
1.05 + 19.35
20.40
-1 2/3 + (- 1/3)
-2
Mr. Hoskins uses an automatic bill pay to pay his bills each month. The cable bill deducts $66.45 every month. How much will the cable bill deductions be total for the year?
$797.40
What is a rational number?
A positive or negative whole number, decimal, or fraction.
What is a terminating and repeating decimal ?
Terminating: stops
Repeating: repeats/goes on forever
-31.2 + (-27.89)
-59.09
-1/4 + 2/8
0
A home owners association charges a $3.85 fee for each day your payment is late. If a bill is paid 15 days late, then how much will the home owners association charge in late fees?
$57.75
What is the additive inverse of 2
-2
For addition/subtraction
Same signs
Different signs
Add
subtract
20.00 + (-7.54)
12.46
-6/11 x 4/5
-24/55
Rhonda has 8/9 ft of cloth that She needs to divide into 2/9 ft pieces. How many pieces will she be able to make ?
4 pieces
Is 2/3 repeating or terminating?
For multiplication/division
same signs
different signs
Positive
negative
26.04 divided by -6.2
-7/8 divided by -6/7
1 1/48
For the summer camp, Lily orders 45 sets of markers. 1/5 of the sets are for the office. 2/3 of the sets go to the art room, and the remainder will go to the storage closet. How many sets of markers will be placed in the storage closet ?
6 sets to the storage closet
-5 + 7 + 5 - 7 + (-3) - 3
-6
6 + (-54 divided by 2) -18 + 1
38