Using number bonds in K-2 classrooms is a great way to help students understand part-whole relationships at an early age. If students understand how to compose and decompose numbers easily, they will be able to break apart numbers and find compatible numbers when doing “mental math” in addition and
This packet is for math fact practice of sums and differences through 20 with automaticity assessment for sums through 10, that can also be used as fluency or timed assessment.
I came up with this pack because my district requires that first grade students be timed on 80 addition facts through the
Kids who have strong number sense understand what numbers are, how they relate to each other, and the affects that different operations have on them. These kids can easily compose and decompose numbers and are able to make reasonable estimates making computation much easier. In other words, kids w