Rational Numbers
Yes, it can be expressed as a fraction
1/2 +3/4
5/4 or 1 and 1/4
2/3 x 3/4
1/2
1/2 ÷ 1/4
2
Maria earns $12.50 per hour for babysitting. She worked 6.5 hours on Saturday. How much money did she earn?
$81.25
Write 0.75 as a fraction in simplest form.
3/4
-5+3.2
-1.8
-4 x 1/2
-2
1/2 ÷ -3/4
-2/3
Jordan scored a total of 121.5 points over 9 basketball games. What was his average score per game?
13.5
Identify all the rational numbers √2, 0, -4/5, π
0 and -4/5
-7/8 - 5/6
-41/24
-3 and 1/5 x -1 and 1/2
8
-3/4 ÷ 2/5
-15/8 or 1 and 1/4
The temperature was 4 and 1/2 °C in the morning. By night, it dropped by 9 and 1/5 °C. What is the temperature at night?
-4 and 7/10
Write 0.4 repeating as a fraction in simplest form
4/9
-3.5 + (-2.75)
-6.25
-5/6 x 9/10
-3/4
-4 and 1/2 ÷ -1 and 1/2
3
A car uses 3/4 gallons of gas to drive 15 miles. How many miles can it drive on 5 gallons?
100 miles
Is the decimal 0.33333333... rational? Why?
Yes, it's a repeating decimal that equals 1/3.
5/6 - (-2/3)
3/2
-2/3 x 3/5 x (-1)
2/5
(2/3÷-4/9)
-3/2
A cake recipe needs 3/4 cup of sugar. If Sarah wants to make 2 and 1/2 times the recipe, how much sugar does she need?
1 and 7/8 cups of sugar