In this 50-minute Grade 6 lesson, students solve a classroom mystery by plotting ordered pairs with positive and negative coordinates. The points form hidden letters that reveal where a missing…
In this 50-minute Grade 6 lesson, students quietly measure their hand spans in centimetres, calculate the class mean and median, and write journal reflections on which measure better describes the…
In this 40-minute kindergarten lesson, children work in small groups to line up pencils, crayons, glue sticks and other everyday objects along a shared starting edge. They order three of…
Students recall perfect squares, then work in pairs to estimate square roots of numbers like 30 or 90 to one decimal place. They place their estimates on a class number…
Students solve think-of-a-number puzzles by working backwards, then use the same undoing idea to solve two-step equations. They finish by writing puzzles for a partner to solve. It takes about…
Students find 10% of a number by dividing by 10. With a partner, they use that answer to work out other percents, such as 5%, 20% and 15%, and then…
Children hold decimal sticky notes and form a human number line, then order a second set with a partner on scrap paper. They practise comparing decimals to thousandths using place…
Partners use an organized list to find every pair of whole numbers that multiplies to make a given number up to 50. They practise multiplication facts and learn a system…
Children act out numbers by standing up and pairing off to see whether anyone is left over. They sort the numbers into odd and even, then spot the pattern in…
Children use a number line on the board to find the number that is one more or one less than a given number up to 20, then practise with a…
Children use their fingers to find pairs of numbers that make five, first with the teacher and then with a partner. They practise composing and decomposing five, a key step…
Children use a number line on the board to decide which ten or hundred a number is closest to. They then show their rounded answers on scrap paper for a…