Definitions/formulas
Define the following term:
Opposite
A number and another number with the same absolute value, the same number with an opposite sign
Will the solution be positive or negative?
-12 + 9
negative
43/100
0.43
Solve and simplify:
2/5 + 4/5
6/5
Zenzo was at the carnival for 8 1/2 hours. If he got to the carnival at 1 o'clock, what time did she leave at?
9:30
Negative x Positive =
Negative
-4 x 11
-44
-31/50
-0.62
Solve and simplify:
3/4 x 4/7
3/7
Litzy's mom had $10 to give for allowance this week. If she had to split it equally amongst her 4 kids, how much money would each kid get?
$2.50
What can we do to a fraction so that it keeps the same value but changes its numerator and denominator?
multiply/divide the top and bottom by the same number.
-12 - (-7)
-5
3/30
0.10
(2/5) / (3/4)
8/15
On Tuesday, Jayden started his descent from the peak of Mount Everest. The peak is at 29,032 feet. In one day Jayden reached 26,995 feet. How far down did Jayden travel?
2,037 ft
Write this expression as an addition expression. make sure to keep the same answer.
8-4
-4+8 or 8+(-4)
-45/9
-5
12/80
0.15
4/7 + 4/9
64/63
Mariana is making a batch of cookies for a bake sale. The recipe calls for 3/4 cup of sugar per batch. She decides to make 3 batches of cookies. However, she only has 2/3. How much more sugar does Mariana need to make the 3 batches of cookies?
19/12 more cups of sugar
Define the following term:
Rational Number
A number that can be expressed as a fraction (ie. terminating or repeating decimal)
(-2)(3)(-6/4)
9
-52/65
-0.80
8/13 - 11/9
-71/117
Leah had $13 and gave $4 to Ryann. Then Leah invested the rest of her money into the stock market and tripled her cash! Leah then gave 2 more dollars to Ryann. How much money does Leah have?
$25