Aaa Math: Estimating a Sum

Think, question, brainstorm, and make your way through a newsletter full of puzzles and word problems. The resource includes 10 different newsletters, all with interesting problems, to give class members an out-of-the box...

Develop the problem solving skills of your young learners with this collection of math newsletters. Covering a variety of topics ranging from simple arithmetic and number sense to symmetry and graphing, these...

Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate...

Go another round on rounding. Pupils refine their learned rounding skills in the eighth installment in an 18-part unit on decimals. The lesson takes away some of the previous scaffolding to encourage scholars to use the procedures that...

Use rounding to estimate the answer to an addition problem in this online game. As you play the game, running totals of correct and incorrect answers and your score are displayed.

Divide with sums. A video provides an explanation on whether it is possible to divide a sum by a number and a number by a sum by using the distributive property. Scholars see which procedure holds up under the rules of arithmetic and...

Students can practice estimating differences in a series of self-check exercises and timed learning games.

Estimating is an essential skill used in everyday life. This presentation explains how to apply prior knowledge about rounding numbers to estimating sums and differences. Example problems and assessment include large numbers, making this...

Students can practice rounding numbers to the nearest thousand through a series of self-check exercises and timed learning games.

Students can practice rounding whole numbers to the nearest hundred in a series of self-check exercises and timed learning games.