Similar Triangles Workshop
~Animate your eyes~

Mental Math
6
(1) Find the missing term in the proportion:
(6) Find 75% of 56 42
The following ingredients are used to make
18 banana muffins:
(7) Find 75% of 34 25.5
6 small, ripe bananas 1 cup brown sugar
1/2 cup white sugar 2 eggs B C D
A
1/2 cup butter 3 cups flour 1 Name Hourly Wage Hours Earnings
2 Abbie 7 4
2 tsp. baking soda 2 tsp. baking powder
3 Barry 8 5
1 cup chocolate chips 1 tsp. salt
4 Cindy 9 6
5 David 10 7
(2) How much flour is 1.5 cups (8) What would be the numeric
needed to make 9 muffins?
answer to the formula:
(3) How many eggs are
=Sum(C2..C5) or =Sum(C2:C5)
3
needed to make 27 muffins?
22
(9) List the VALUES that
(4) How many bananas are
2 should appear in cells
used to make 6 muffins? 28, 40,
D2, D3, D4, and D5.
54, 70
(5) How much brown sugar
(10) What is 85 x 11?
1/6 cup
is used to make 3 muffins?
935

In the diagram below the triangles are similar. For each pair of triangles,
write the ratio of sides that is equal to .

In the diagram below the triangles are similar. For each pair of triangles,
write the ratio of sides that is equal to .

Since ∆MNP ~ ∆QRS, determine the
lengths of the missing sides.