7th grade math worksheets
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Circumference of a circle
Grade 7
Find the circumference of a circle from its radius or diameter
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What to practice this year
π is the first constant a child meets that is not a whole number and not a choice. Circumference and area both use it, both take one measurement, and both go wrong the same way — by putting a diameter where the formula wanted a radius. The two sheets are separate on purpose so a child can get each one steady before meeting them mixed.
Why these skills come next
Angle pairs are the year's quiet piece of algebra. Complementary, supplementary, and vertical angles are three short facts, and the standard asks a child to write an equation from a picture and solve it. The arithmetic is one subtraction; the work is reading which fact the drawing is showing.
Nothing matches that. Try a skill, a number, or a topic.
Step 1 of 9
Circles
One constant, two formulas, and the radius-or-diameter decision underneath both.
Step 2 of 9
Angles you solve for
Three angle facts, written as an equation and solved.
Step 3 of 9
Area without a formula
Figures that have to be taken apart before they can be measured.
Step 4 of 9
Proportional reasoning
The year's spine: a percent, a rate and a fraction are one idea in three notations.
Step 5 of 9
Signed numbers, all four operations
Adding and subtracting came first; multiplying and dividing have their own sign rule.
Step 6 of 9
Working with expressions
Substituting, collecting and expanding — everything done to a letter short of solving.
Step 7 of 9
Equations and inequalities
One step, then two — and the sign that turns round when you divide by a negative.
Step 8 of 9
Data and chance
Summarising a set, reading its spread, and putting a number on how likely something is.
Step 9 of 9
