Math Learning Center
Grade 1 Supplement Set A4 – Number and Operations: Equivalent Names
Engage young mathematicians in developing their basic arithmetic skills with these great hands-on activities. Using Unifix® cubes to model a variety of single digit addition and subtract problems, children build a basic...
Curated OER
Relate Addition and Subtraction Reteach 14.7
Introduce young scholars to relationship between addition and subtraction with this very simple worksheet. There are 2 problems to solve, each problem shows unifix cubes relaying an addition problem and its subtraction companion.
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...
Illustrative Mathematics
1.OA, NBT, The Very Hungry Caterpillar
First graders are exposed to addition of three whole numbers in a math activity centered around Eric Carle's, The Very Hungry Caterpillar. As the teacher reads, young mathematicians use counters and ten-frames to symbolize the number of...