Illustrative Mathematics
Measure Me!
How many unifix cubes tall are you? If you're not sure, then perform this math activity with your class and find out. Working in pairs, young mathematicians make measuring sticks out of unifix cubes in order to determine the length of...
Curated OER
Toothbrush Measuring
Ever wonder how many marshmallows long your toothbrush is? Well, you're in luck! This hands-on measurement activity requires young mathematicians to determine the length of their toothbrush using Unifix® cubes, buttons, Cheerios, bear...
Curated OER
How Tall is the Gingerbread Man?
The gingerbread man has finally been caught, now find out how tall he is with this measurement activity. Using Unifix® cubes, marshmallows, buttons, and Cheerios, young mathematicians measure and record the height of the gingerbread man...
Oregon Department of Education
Building Number Sense
It's never too early to begin a child's math education. This collection of fun hands-on activities engage youngsters in building their number sense as they learn how to count objects, identify numerals, compare amounts, and much more.
Curated OER
How Heavy
Break out the balances for this primary grade lesson on weight measurement. Using common elementary school manipulatives like unifix or snap cubes, young mathematicians determine the weight of four different classroom objects. A graphic...
National Security Agency
Equations and Expressions
Learners demonstrate their knowledge pictorially, concretely, and abstractly in this unit meant to last three hours over three days. Using hands-on activities, manipulatives, real-world applications, and problem...
Illustrative Mathematics
Growing Bean Plants
Plant growth experiments offer rich, cross-curricular learning opportunities that can really excite and engage young learners. For this series, children work in pairs planting, measuring, and comparing the height of bean plants in order...
Illustrative Mathematics
Illustrative Mathematics: Number Rods
This activity gives students practice counting for meaning using unifix cubes or snap cubes. Students will count the number of unifix cubes then match the rod up to the correct number on a number line. Extension activities are included.