10 More 10 Less Exercise Worksheet | Math Pyramid
10 More 10 Less Worksheet
Description: Practice CCSS.Math.Content.1.NBT.C.5 Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.
Tags: 1st grade math, Addition, Subtraction, CCSS.Math.Content.1.NBT.C.5