Math · Age 10 · Ratio, Proportion & Early Algebra
Substituting Values into Simple Formulas (Ex. 2)
Practice substituting values into formulas.
Module
Ratio, Proportion & Early Algebra
Age
Age 10
Duration
10 min
Questions
5
What's in this exercise
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Question 1
Multiple choice
Using the formula C = 5n + 2, find C when n = 4.
Question 2
Multiple choice
Using Area of triangle = (b × h) ÷ 2, find the area when b = 8 cm and h = 5 cm.
Question 3
Multiple choice
Using P = 2(l + w), find P when l = 9 and w = 6.
Question 4
Sequence
Values of C = 5n for n = 1, 2, 3, 4, 5: 5, 10, 15, ___, 25. What is the missing value?
Question 5
True or false
Using A = l × w, when l = 8 and w = 5, A = 40.