Multiplying Decimals 3 Act Task
Earlier this year, students built conceptual understanding of multiplication of whole numbers and decimals and multiplication of decimals by decimals. They used concrete models and grid paper to model the …
Round and Round We Go… Where we will stop… At Rounding?
In 4th grade students also use rounding to estimate sums and differences. This strategy is used to make sure that their estimation is reasonable. They used this strategy in 3rd …
The Wheels on the Bus go Round and Round… Has nothing to do with Rounding but this does!
In 4th grade students use strategies to estimate numbers. One strategy for estimation is rounding. This is built off of the foundation they received in 3rd grade. Below is how …
Strategies for Estimating Sums and Differences
What is estimation? Estimating is an important skill. Estimation is the process of getting an approximate amount, sum or difference. We want students to be able to use mental math …
Why Bother to Estimate??
Estimation is often overlooked in lessons involving multiplication or division. Even if students are told to estimate first, they often calculate to find the precise answer then round it to …