Write as many as you can
Write a proportion that involves the variable from the data

Find the value of W

Write a proportion that involves the variable from the data

Find the number of winners in May (n)

Solve:
(Work out the value of the variable)
Solve:
(Work out the value of the variable)
Solve:
(Work out the value of the variable)
COMPUTERS A school requires 2 computers for every 5 students.
Write a proportion that gives the number c of computers needed for 145 students.
Write a proportion to make sure you have the right fractions. We do not need the value of C yet.
COMPUTERS A school requires 2 computers for every 5 students.
Write a proportion that gives the number c of computers needed for 145 students.
SOLVE for C
SWIM TEAM The school team has 80 swimmers. The ratio of seventh-grade swimmers to all swimmers is 5:16
Write a proportion that gives the number s of seventh-grade swimmers.
Write a proportion to make sure you have the right fractions. We do not need the value of C yet.
SWIM TEAM The school team has 80 swimmers. The ratio of seventh-grade swimmers to all swimmers is 5:16
Write a proportion that gives the number s of seventh-grade swimmers.
SOLVE for S
Write an equation that represents this relationship.

Write an equation that represents this relationship.

Write an equation that represents this relationship.

Give yourself a rating on the first lesson objective
I can write and solve proportions like questions 2 to 10.
Give yourself a rating on the second lesson objective
I can write equations for proportional relationships presented in tables like questions 11 to 13.