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Academic Standards: CCSS.MATH.CONTENT.1.OA.C.6

Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 – 4 = 13 – 3 – 1 = 10 – 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 – 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).

Bowling for Numbers, K-1 (Ozobot 3D CAD Library)

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

Number Wheel Spin

Get ready to spin your way to subtraction success and show off your mental math skills! Program Ozobot to race around the wheel, generating numbers to subtract using visual representations such as number lines, ten frames, or drawings.

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.

Pinata Packing!

Students will code Ozobot to travel around the maze collecting candy for a pinata. Then students will add up the cost of each item to find the total.

Did someone say pickle?

For National Pickle Day, students can code Ozobot to share pickles with friends for their sandwiches, hamburgers, or just a snack!