Curated OER
Adding Two- and Three-Digit Numbers
In this adding two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to eight mathematical word problems and equations.
Curated OER
Fractions: A Conceptual Approach
If you are teaching fractions to elementary learners this year, this Singapore Math presentation is essential to your curriculum. It addresses several basic fractions concepts in conceptual terms and figures, making each idea accessible...
Illustrative Mathematics
Words to Expressions 1
Designed as a follow-up to the lesson plan titled Watch Out for Parenthesis 1, this activity asks young learners to write an equation for the calculation described with words rather than numbers and symbols. The treasure that 5th graders...
Curated OER
Adding Mixed Numbers
In this mathematics worksheet, 5th graders add and write the equivalent fraction with a common denominator. Then they add and rename the result if needed giving it in lowest terms. Students also solve each of the word problems at the...
Curated OER
Approximate Answers by Rounding
In this rounding off instructional activity, students calculate the approximate answers for 10 addition, division or subtraction math problems, questions and/or statements.
Ahisma Summer Institute
The Power of One - Math in a Different Angle
In this 2-day lesson focused on exponents, middle schoolers will cross the curriculum by engaging in science, history and language arts activities. Exponential growth will be explored using grains of rice on a chess board. Exponential...