Fractions/Percent/Decimals
The tallest woman on record was 2.483 m tall. The shortest woman on record is 0.61m tall. What is the difference in their heights?
1.873 m
A back yard is 10 m by 15 meters.
What is the area?
150 m2
Write 3 different zero pairs.
eg. 3, -3 8, -8, 2, -2
What are the factors of 36?
1,2,3,4,6,9,12,18,36
Write an algebraic expression for the statement:
6 less than a number doubled
2n - 6
What is the smallest, middle and largest number?
21/4, 4.9, 5 and 1/10
4.9, 5 and 1/10, 21/4
A back yard is 10 m by 15 m. How much fencing is needed?
50m
The morning temperature was -3 degrees C and the high of the day was 10 degrees C. What is the difference in temperature?
13 degrees C
What is the prime factorization of 36?
2 x 2 x 3 x 3
Write an equation with a variable for the sentence and solve.
A number less 7 is 11
x - 7 = 11
x = 18
What is the equivalent fraction in lowest terms and percent?
.40
40% and 2/5
What is the volume of a box that is 25cm by 15 cm by 10 cm?
3750cm3
Ava had $41. She spent $7, then earned $37. How much money did Ava have at the end?
(+41) + (-7) + (+37) = (+71)
What is the GCF of 24 and 40
8
Solve for x when the value of x is 15.
20 - 3x
-25
What is 30% of 50?
15
A triangle has a base of 25cm and a height of 15cm. What is the area?
25 x 15 divided by 2
187.5cm2
5 people each owe $36 dollars. Write an equation for this problem and solve it mentally.
5 x (-36)=5 x - 30 = -150 and 5 x -6 = -30 = -180
What is the least common multiple of 12 and 16?
2 12 16
2 6 8
___________
3 4 So LCM is 2X2x3x4 = 48
Solve for n
2n - 20 = -8
2n - 20 = -8
+20 = +20
2n = +12
n = +6
A $35.00 shirt is on sale for 15% and a $120.00 pair of jeans is 50% off. What is the total % discount?
15% off of $35.00 is $29.75
50% of 120 is 60.
89.75/155 is 58% so the total discount is 42%
A circle has a diameter of 10 m. What is the area?
78.5m2
The surface of Lake Michigan is 176m above sea level. The bottom of the lake is 105m below sea level. What is the depth of the lake?
176 + 105 = 200 + 70 + 11 = 281m
Write a 4 digit number that is divisible by 8 and 9.
Sum of digits is divisible by 9 and the last three digits are 000 or divisible by 8
eg. 9000, 4032, 1800,
Your class is going on a field trip to the pool. The cost of renting the bus is $125.00. Each student swimming will cost $4.00.
What is an expression for the total cost of the field trip if x number of students attend?
What is the cost if 50 students attend and how much does each student owe to cover the cost?
125 + 4x
125 + 4x50
125 + 200 = $325
325 divided by 50 = $6.50