Lesson 1 : Ratios and Proportions
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28 Nsɛmmisa
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The table gives the wins and losses of a baseball team. In which year(s) did the team have the best record? Select all that apply.
Explain your rationale/reasoning for your answer to question 1. Be concise.
We use ratios all the time - like "miles per hour" and "dollars per pound"
List three more examples of ratios that you use.
1.
2.
3.
A bonsai tree is 18 in. wide and stands 2 ft. tall. What is the ratio of the width of the bonsai to its height.
The measure of two supplementary angles are in the ratio 1 : 4. What are the measures of the angles?
The lengths of the sides of a triangle are in the extended ratio 4 : 7 : 9. The perimeter is 60 cm. What are the lengths of the sides
What is the solution of the proportion
?What is the solution of the proportion
?In the first four games of the season, a soccer team scored a total of ten goals. If this trend continues, how many goals will the team score in the eighteen remaining games of the season?
WRITING AND SOLVING PROPORTIONS. Write the sentence as a proportion (in the show your work area). Then, solve the proportion.
b is to 10 as 7 is to 2
Use the proportion.
What ratio completes the equivalent proportion below?
Use the proportion.
What ratio completes the equivalent proportion?
Explain why the first proportion below is an equivalent proportion to the second proportion below.
Two angles measures are in the ratio 5 : 9. Write expressions for the two angle measures in terms of the variable x.
Error Analysis: What is the error in the solution of the proportion shown?
What is a proportion that has means 6 and 18 and extremes 9 and 12?
Solve for x.
Solve for z.
Solve for m.
Solve for a.
Solve for r.
Solve for w.
