1st Grade Within 20 Common Core Multi-Digit Addition Worksheets

It's time to check those addition skills! Use this to assess your student’s abilities to add within 20.

In this Halloween-themed math worksheet, students will look at existing game boards and add one and two-digit numbers as they try to determine who got the pumpkin in the pumpkin race game.

In this dessert-themed math worksheet, learners look at existing game boards and practice addition as they try to determine who won the Cookie Race Game.

Enjoy a dessert-themed race to 100 with this delicious math game in which learners imagine units, rods, and flats as sprinkles, chocolate bars, and cookies.

Children are introduced to a new way to add with this base 10 rods worksheet.