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Academic Standards: CCSS.MATH.CONTENT.2.OA.A.1

Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.1

Bowling Pin Numbers Level 2

Take Ari bowling! Get out your mini bowling pins and let Ari be the ball. Students will calculate the number of pins knocked down, and then use the digits to add 5 single-digit numbers.

Bowling for Numbers, 2-3 (Ozobot 3D CAD Library)

Using 3D-printed bowling pins, students will take Ozobot bowling for numbers. Each attempt will give students the numbers needed to complete addition and subtraction problems. Visit ozobot.com/3d-cad-library for all the STL files.

Add It Up!

This game allows students to use an Ozobot Evo as a random number generator to choose two digits to sum. These sums range from 2-18. Students play this game by taking turns making a sum, then comparing it with the sum of their partner.

Add It Up! (Two Digit without Regrouping)

This game allows students to use an Ozobot Evo as a random number generator to choose two two-digit numbers to sum. Students play this game by taking turns making a sum, then comparing it with the sum of their partner.

Add It Up! (Two Digit with Regrouping)

This game allows students to use an Ozobot Evo as a random number generator to choose two digits that require regrouping to sum. Students play this game by taking turns making a sum, then comparing it with the sum of