Operations with Fractions
1/2 + 3/4 = x
X= 5/4 or 1 1/4
How are the 2 perimeters of 2 similar figures related? Give an example.
They are to scale. For example the perimeter of larger scale is double then the smaller figure has the dimension that are half the size.
If a bag contains 25 balloons:
15 balloons are red,
3 balloons are yellow,
and 7 balloons are orange.
What is the probability of choosing a yellow balloon?
3 out of 25
If a square had the side length of 6 units. What is the area and the perimeter of the square?
The area is 36 square units and the perimeter is 24 units.
Find at least 2 factors of 76.
What are (1,2,4,19,38,76).
2 - 2/5 = x
X = 8/5 or 1 3/5
How are the areas of two similar figures related?
Give and example.
The area of the larger figure is the product of the square or the square of the scale factor and the area of the smaller figure.
If a bag contains 25 balloons:
15 balloons are red,
3 balloons are yellow,
and 7 balloons are orange.
What is the probability of NOT choosing a red balloon?
10/25 or 10 out of 25
What is the perimeter of a equaliateral triangle with the side lengths 7
What is 21
Find some of the factors of 125
What are, ( 1,5,25, 125).
3/8 x 6/7 = x
X=18/56 or 9/28
If Rectangle A measures 3 x 5 inches. Find the measures of the 2 rectangles that are similar to Rectangle A.
6 x 10, 9 x 15, 12, x 20
If a bag contains 25 balloons:
15 balloons are red,
3 balloons are yellow,
and 7 balloons are orange.
What is the probability of getting a yellow or an orange balloon?
10 our of 25, or 10/25
Draw 2 shapes with perimeters of 18 units but different areas. Give the area of each shape.
A rectangle 2x7 Has P=18 and A=14
B rectangle 4x5 had P=18 and A=20
What is the LCM (Least Common Multiple) of 35 and 175.
175
1 2/3 - 5/6= X
What is 5/6
How is a triangle A with the sides lengths of 2,7 and 10 similar to triangle B with the side lengths 8, 28 and 40?
Triangle B is 4 times larger than Triangle A.
If a bag contains 25 balloons:
15 balloons are red,
3 balloons are yellow,
and 7 balloons are orange.
If the number of balloons double what happens to the probability of choosing a red balloon?
It stays the same, 15/25 = 30/50
Draw 2 shapes with the areas of 25 square units that have different perimeters. Give the perimeter of each shape.
A= 5x5 has the A= 25, P=20
B= 1x25 has the A=25 and P=52
Find all the factors of 171.
What are, ( 1, 3, 57, 171).
What does 5/7 divided by 2 1/3 equal?
What is 15/49
Find the scale factor of the smaller shape to the biggest shape.
Quadrilateral A side lengths are 4,5,8 and 13.
Quadrilateral B side lengths are 24, 30, 48 and 78.
Quadrilateral B is 6 times larger than Quadrilateral A.
If a bag contains 25 balloons:
15 balloons are red,
3 balloons are yellow,
and 7 balloons are orange.
How many balloons do you neeed to add to the original bag to make the probability of drawing a red balloon 1/2.
If you add 1 yellow and 4 orange this will make the probability 15/30 which is equal to 1/2.
Find the dimensions of a rectangle with the area or 36 square units and whole numbers side lengths that has the smallest perimeter.
What is 6x6
What it the largest prime number less that 112?
What is 109