
Ratios Lesson 1
Presentation
•
Mathematics
•
6th - 7th Grade
•
Medium
Standards-aligned
Dorothy Pacheco
Used 17+ times
FREE Resource
5 Slides • 6 Questions
1
Mrs. de Oliveira
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3
The coed soccer team has four times as many boys as it has girls. We say the ratio of boys to the number of girls is 4:1. We read this as four to one.
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5
Fill in the Blanks
Write the ratio of number of boys to the number of girls in our class. (4 girls and 6 boys)
Type answer...
6
Fill in the Blanks
Write the ratio of the number of girls to the number of boys in our class (6 boys and 4 girls)
Type answer...
7
A ratio is a comparison of numbers.
The number cannot be zero
A ratio is written as A:B, the A is first the B is second
The order of the numbers is important!
8
Multiple Choice
At the sixth grade school dance there are 132 boys, 89 girls, and 14 adults. What is the ratio of boys to the number of girls.
132 to 14
89 to 132
132 to 89
14 to 89
9
Multiple Choice
At the sixth grade school dance, there are 132 boys, 89 girls, and 14 adults. Write the ratio of boys to the number of adults.
89 to 132
132 to 89
14 to 132
132 to 14
10
Multiple Choice
In the cafeteria, 100 milk cartons were put out for breakfast. At the end of breakfast, 27 remained.
What is the ratio of the numbe of milk cartons taken to the total number of milk cartons? (Hint: You need to subtract the number of milk cartons to the number left!)
27 to 100
73 to 100
100 to 73
27 to 73
11
Multiple Choice
In the cafeteria, 100 milk cartons were put out for breakfast. At the end of breakfast, 27 remained.
What is the ratio of the numbe of milk cartons remaining to the number of milk cartons taken ? (Hint: You need to subtract the number of milk cartons to the number left!)
27 to 100
73 to 100
100 to 73
27 to 73
Mrs. de Oliveira
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