Much of primary math is about establishing benchmarks of 5 and 10, but have you ever stopped to wonder why those are good numbers to use? Here are a few reasons: Benchmarks of 5: We have 5 fingers (if we count the thumb!) on each hand, so a hand-y (ha!) benchmark to start with is … Continue reading Establishing Benchmarks of 5 and 10 through estimation
Estimation is easy!
Anyone who has had me as a teacher in Grade 6 or 7 has heard me echo, “Estimation is Easy!”...but is it?! Estimation can be a difficult skill to learn because it involves number sense, spatial sense, measurement sense and lots of mental computation. This important skill is often left out of the curriculum, or … Continue reading Estimation is easy!