This is a first-grade addition and subtraction drill designed for children who feel anxious when they cannot see what lies ahead. It contains a total of 90 questions: 45 addition and 45 subtraction.

Looking for a fun interactive teaching idea for addition and subtraction with missing numbers? Well look no further as Addition and Subtraction Missing Addends Game Puzzles, for CCSS 1.OA.8, will ...

A worksheet on addition within 10 and 20. The students are required to perform addition with numbers within 10 and 20 and numbers up to 10 so that the sum is within 10 and 20. The first exercise ...

Want to help your first-grader master math? Here are some of the skills your child will be learning in the classroom. Understand place value in one- and two-digit numbers. Understand that in two-digit ...