Enlarge/Reduce
Ratios
Variable Expression
Dot Pattern
Old Material
100
Draw a square that is 5 units on each side. Enlarge the square by 300%. What are the new side lengths?
15 units
100
What are the three ways to write a ratio?
Fraction, :, or the word "to"
100
Write an expression for 12 less than 20x
20x-12
100
On Day 1, Meeka (Mr. Lavin's dog) had two accident on Mr. Lavin's floor. On Day 2, Meeka had four accidents on Mr. Lavin's floor. On Day 3, Meeka had six accidents on Mr. Lavin's floor. Write an expression that can be used to determine the number of accidents Meeka has on any given day.
Day # * 2
100
Convert 13.5% to a decimal, fraction, and a diagram
What is .135, 135/1000, 13.5/100 (NOT THE PREFERRED WAY)
200
Draw a triangle with a base of 6 units and a height of 10 units. Draw a new smaller triangle using the ratio of 2:1. What are the new dimensions?
The base is 3 units and the height is 5 units.
200
What is the ratio of boys to girls in the class?
______:_______
200
Write an expression for ten less than a number.
x-10
200
Figure 1 has 4 dots, Figure 2 has 7 dots, Figure 3 has 10 dots. Write an expression to determine the number of dots in each figure.
Figure # * 3 + 1
200
Create a stem-and-leaf plot based on the following data: 2, 10, 34, 34, 37, 58, 59, 60
(teacher draw it on board)
300
Draw a triangle with the base of 3 units and height of 9 units. Draw a new triangle in which the dimensions are 2/3 of the original. How long is the base and height?
The base is 2 units and the height is 6 units.
300
If 25 students passes the test, and there are 75 students in the class, what is the ratio of students that failed to students that passed? Write the answer in lowest terms.
2:3
300
Write an expression that shows 8 more than a.
a+8
300
Figure 1 - 6 units, Figure 2 - 10, Figure 3 - 14 How many dots does Figure 10 have?
42 dots
300
Draw a hundreds block. Shade in 17/20. Convert the shaded portion into a percent and decimal.
85/100, .85, Shaded in 85 squares
400
Triangle 1: Base - 8 units, Height - 5 units Triangle 2: Base - 2 units, Height- 1.25 units What is the ratio of Triangle 2 to Triangle 1?
The ratio is 1:4, 1/4, or 1 to 4.
400
In a deck of 52 cards, what is the ratio of 7's to hearts?
4:13
400
Write out in words what z+10^2
ten squared more than z
400
How many dots does Figure 50 have if the expression is (Figure #/5) - 3
7 dots
400
Draw a square has a length of 3 units. Change the perimeter but do not change the area.
Area - 9 units Perimeter - should not 12 units
500
Draw a square that is 16 units on each side. Enlarge the square by 100%. How long is each side after the enlargement?
16 units
500
Draw this on grid paper: -------l-------l------------l 2 2x 10 Total = 18 What is the ratio of x:total line length? (simplest terms)
1:6
500
On day 1, Mrs. Huffman started a 1,500 page book. She read y pages during the first hour and z pages during the second hour. How many pages were left to read? How many pages did she read? Write an expression for both.
Pages left: 1,500 - (y+z) Pages read: y+z
500
Figure 1 - 6, Figure 2 - 11, Figure 3 - 17, Figure 4 - 23 What is the expression that matches the Figure Number to dots
Figure #*6 - 1
500
Create a generic rectangle that represents 306*258
78,948
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