Khan Academy
Khan Academy: Equation Practice With Angle Addition
Given the sum of a pair of angles and the algebraic expressions that represent them, form and solve an equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Illustrative Mathematics
Illustrative Mathematics: 8.ee Sammy's Chipmunk and Squirrel Observations
In the context of this task, a student is observing a squirrel and a chipmunk for their acorn-hiding habits. The problem requires students to use a linear equation to find out how many acorns the chipmunk hid. Aligns with 8.EE.C.7.
Illustrative Mathematics
Illustrative Mathematics: 8.ee Solving Equations
This task models how a drawing can be used to represent a linear equation in one variable. Students are then asked to solve equations using algebraic symbols as well as pictures and to comment on issues they see. They are then asked to...
Illustrative Mathematics
Illustrative Mathematics: 8.ee Coupon Versus Discount
For this task, 8th graders are asked to find at what price the cost of a calculator will be the same whether applying the store discount or using a coupon. Aligns with 8.EE.C.7.
Illustrative Mathematics
Illustrative Mathematics: 8.ee the Sign of Solutions
Eighth graders are presented with five linear equations with one variable and are asked to state whether they have a positive solution, a negative solution, a zero solution, or no solution. Aligns with 8.EE.C.7.
Khan Academy
Khan Academy: Equation Practice With Segment Addition
Given an information about the lengths of line segments, form and solve an equation in order to find the lengths of the segments. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Khan Academy
Khan Academy: Equations With Variables on Both Sides: Decimals & Fractions
Solve linear equations where the variable appears on both sides of the equation and the coefficients are decimals or fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Khan Academy
Khan Academy: Equation Practice With Midpoints
Given information about the distance of a segment's midpoint from its endpoints, form and solve an equation in order to find the length of the segment. Students receive immediate feedback and have the opportunity to try questions...