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
Estimate Sums and Differences
In this sums and differences learning exercise, 6th graders solve 20 different problems that including the estimation of numbers in each one. They estimate the sum or difference found in each problem and write it in the space provided....
Curated OER
I Am The Greatest
Students work with the place value of given digits. In this place value lesson, students use a deck of number cards to find the greatest number when they draw three cards from the deck. They arrange the the digit from greatest to least.
Curated OER
I am the Greatest
Students participate in a game blending skill with chance to enhance students' understanding of the concept of place value. They explain that the value of a number increases when digits farthest to the left have greatest value.
Curated OER
Think of a Number
In this math worksheet, students engage in a mental math activity. Student think a number and follow several computations with that number and always come up with the answer 9. Students discuss why this happens.