Curated OER
Fraction Word Problems
In this fraction review worksheet, students read about adding, subtracting, multiplying, and and dividing fractions, examine some sample problems, and then solve 9 fraction word problems.
University of Texas
Matter and the Periodic Table Chemical Families and Periodic Trends
Is assembling the periodic table as simple as Tetris? Scholars arrange colored cards into a logical order and then make connections to the arrangement of the periodic table. Hands-on activities include adding trend arrows and analyzing...
Illustrative Mathematics
Operations on the Number Line
A different way to look at integers is on this number line with variables in place of numbers. Learners are to look at different expressions and describe why they think the answer would be positive or negative, depending on the location...