Never heard of a rekenrek? You’re not alone, but I’m here to tell you, it is one of the best manipulatives for developing number sense in early primary, and you can make it yourself! Originally developed in Holland, it looks like a mini-abacus, but functions quite differently. Although you can have many rows in a rekenrek, … Continue reading What the heck is a rekenrek?
Why bother?! In this age of technology, do we still need to learn number facts? Absolutely! Thinking flexibly about numbers opens up thinking for more complex mathematical problems. Mental math is also a survival mechanism when you are out in the real-world! Think of how often you use it: How many km am I going … Continue reading The Facts about Facts!
The importance of place value I always start the school year with number sense. Why? Because it gives me a good indication of each student’s comfort with numbers. Number sense is the one strand that is always interwoven into other strands in mathematics. It is also the most telling predictor of a child’s success in … Continue reading The Importance of Place Value in Primary
Oliver is 2 ½ and quite pleased with his ability to count. He can count forwards and backwards (and sometimes correctly!), but he has no understanding of what the numbers mean, although he does know that numbers relate to quantity. Rory on the other hand is 4 ½ and he can count correctly and accurately … Continue reading Learning to count…baby steps.