Sorting Subtraction Facts to 20

Classroom Resource

Learning Level: Primary School

About this Resource

Grade 1. In this project, students can sort subtraction facts with number to 20 and remainders from 11 – 18. This is an errorless learning task. Students drag the equation into the appropriate sorting bin. This activity supports the BC Ministry of Education PLO for Grade 1 Literacy Foundations Mathematics/Number: apply mental mathematics strategies, such as: using doubles; making 10; one more, one less; two more, two less; addition for subtraction; to determine basic addition facts to 18 and related subtraction factsCreated by Kathy Ryan.

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