CCSS K.OA.A.2 Worksheets

Kindergarten · Operations & Algebraic Thinking

Solve addition and subtraction word problems within 10 using objects or drawings to model the situation.

Below are free printable worksheets that support K.OA.A.2. Print them as PDFs, or generate a fresh one. Every math answer key is computed in code, so it is never wrong.

Teach this standard

Deliver a whole lesson on K.OA.A.2 from a textbook-grade teaching unit, with a hook, worked examples, diagrams, misconceptions, and an exit ticket.

Adding and subtracting within 10

Kindergarten (ages 5 to 6)

Teaching guide

What students learn

Solve addition and subtraction word problems within 10 using objects or drawings to model the situation.

How to teach it

Start by counting on from the larger number, then move to partitioning into tens and ones and adding each part, and finally column addition with regrouping.

Worked example

2 + 1 =

Answer: 3

Generated and checked in code, so it is correct.

Watch out for

Adding the tens and ones columns without carrying the regrouped ten, and always counting on from the first number rather than the larger.