Subtraction Addition Multiplication Division What's the sign?
10
What is?
5/8 − (− 7/8) Simplify your answer
1 1/2
10
Solve the expression:
-2/3 + -0.25 = _____
-11/12
10
Will the answer be positive or negative?
-2 × (-5) × (-1) × (-9)
Positive
10
3÷ 3/4=
4
10
18/24___55%

>,<,=
> or greater than
20
What is?
Solve 1/2 - (-3/4)
5/4
20
At noon the temperature was 52/5 degrees. By 7 pm the temperature had dropped 7.3 degrees. By midnight, the temperature had gone down another 1.2 degrees. What is the temperature at midnight?
-3.1 or -31/10 degrees
20
0.3 x 0.5
0.15
20
8/11 ÷ 2/3 =
12/11
20
1/4____0.06

>,<,=
> or greater than
30
What is?
Find the difference between 7/10 - and 9/10. Simplify your answer
-1/5
30
Solve the expression:

-21/3 + 4.6̅ = _____
2 ⅓ or 2.3̅
30
(2.5)(-1.2)
-3
30
2/3 ÷5=
2/15
30
-0.94___-4/5

>,<,=
< or less than
40
What is?
-6 1/2 + (-1/2)
-7
40
Solve the expression:

-0.15 + -0.85 + 12.5 = _______
11.5
40
(-4.2)(-5)
21
40
6 1/4 ÷2 1/2 =
5/2
40
What is a decimal equal to 4/25?
0.16
50
When adding rational numbers with the same sign, you must:
Add together and keep the sign
50
Solve the expression:

⅕ + -0.8 = _____
-3/5 or -0.6
50
(-0.2)(-0.8)
0.16
50
What is the quotient of 4 2/5 ÷1 2/6?
33/10 or 3.3
50
What is 8/25 as a decimal?
0.32






Rational Numbers

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