Place value is the very foundation of arithmetic. Place value packages numbers into groups of tens and tens of tens. This makes calculating large numbers similar to adding single-digit numbers: 3 + 4 is similar to 30 + 40, 300 + 400, 3000 + 4000, and ... Read More
Dr. Cotter on Multiplication
Multiplication has been the mathematical downfall of many children (and adults!). It's not so much the problem of the algorithms, but rather it's the problem of the memorization of the 100 facts. Before expecting the child to learn the facts, we ... Read More
Dr. Cotter on Counting
Most people think of counting as the foundation of math. So we teach kids to memorize the long string of 100 counting words. Next, to count objects, we teach them to touch each block in turn while saying the next word in the string. After completing ... Read More
2023 Summer Game #11: Fraction of Twelve
My two youngest children were six and eight when I started schooling them together in RightStart™ Math Level B. About half way through Level D it became apparent that my older son was ready to “fly” while my younger son was ready to “camp.” When the ... Read More
Five Extra Math Ideas
Are you wanting some extra or independent work to supplement a child's learning, especially for the quick-thinker? Perhaps they are working through the correct level, but they get the concepts fast? You don't want to give them busy work or a ton of ... Read More
RS2 Level H, Lesson 103: Snub Cube Pattern
A customer called yesterday with an interesting question. She and her son were working on Lesson 103 in RightStart Math Level H, second edition. They were making a snub cube using the RightStart™ Geometry Panels and couldn’t get the net to work out. ... Read More