Students explore addition facts with sums to 18. Using Unifix cubes, students demonstrate addition sentences. They use a variety of manipulatives to illustrate addition facts for different sums. Students participate in a flash card game...

Students subtract two digit numbers. They check each other's answers for accuracy.

Pupils work with hundreds place value, create and manipulate three-digit addition problems, and add three-digit numbers.

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...

Second graders engage in a instructional activity which focuses on adding two-digit numbers and the regrouping process. They identify when the regrouping process is necessary and make appropriate "trades" to complete an addition problem.

Second graders create a fact family town to develop the understanding of numbers related in fact families. They learn each family has a big number and two baby numbers. They make triangle shaped houses for their facts.

First graders listen to the book, Piggies, and act out the events of the story with premade puffball pigs.

Second graders find missing addends by solving math word problems. In this missing addend activity, 2nd graders work in a whole group setting to find the missing addends in word problems before using the strategies to work independently....

Students use tables showing the ratios between ounces and pounds, grams and kilograms, and pounds and kilograms. They estimate whether an object should be weighed in ounces or pounds and whether an object should be weighed in grams or...

At Camp Add 'Em Up it's time to or "2" find patterns in the environment. Students will work in pairs as they build understanding of how to count by 2's. Students will use digital cameras to capture "2's" in their classroom (2 shoes, 2...