Joyful Math Resources

Guided worksheet brings students through the steps of finding the mean, variance, and standard deviation for 5 data points. Includes three questions to check for understanding of what standard deviation is in context of a real world problem.

Matching or cut and paste activity and worksheet. Students match equations of best fit lines, correlation coefficients, type of correlation, and sentence describing the relationship with 8 scatter plots. Now includes an answer KEY!

Tanagram introduction activity to solving for the area of irregular figures! Students create their own puzzle using tanagram pieces. Then they switch puzzles with another student and solve their peers puzzle. Puzzle Solve is a challenge to find the area of the irregular figure or puzzle.

Students practice the concept of relating the area of a square to its side lengths using square roots. Students are given an area of a square and they solve for side lengths.