Do your students think multiplication always makes a quantity larger? Use this card sort to build number sense and explore how multiplying a quantity by a number larger than 1 increases the quantity, while multiplying a quantity by a number less than 1 decreases the quantity. This is an excellent time to discuss proper and improper fractions and their effects on multiplication. See if your students can determine which ones are true and false without performing the actual computations.
This activity contains 27 cards to sort as true or false. It includes whole numbers, fractions, and decimals.