This count on number line addition activity has children hop along a star number line to add within 10. Made for Kindergarten and 1st grade, with a practice page and answer key included.

Using the Adding 5 Song (MP3), students sing and practice adding 5 with all addition facts 1-15. Your kids will learn how to add 5.

Using Adding Five Matching Worksheet, students solve equations where they are adding five to the first addend.

Using Addition 0-12 Flash Cards, students practice adding two numbers between 0-12 to build mental math and fluency skills.

This snowball addition activity has kindergarten and 1st grade children draw snowballs to solve 18 lettered addition cards within 10, with a recording sheet and practice page. Answer key included.

Using the Adding 2 Song (Lyric Mjusic Video), students sing and practice adding 2 with all addition facts 1-15. Your kids will learn how to add 2.

Using the Adding 7 Song (MP3), students sing and practice adding 7 with all addition facts 1-15. Your kids will learn how to add 7.

Using the Adding 11 Song (MP3), students sing and practice adding 11 with all addition facts 1-15. Your kids will learn how to add 11.

Using Why Does it Work Addition Subtraction Strategies Activity, students explain why addition and subtraction strategies work, using place value and the properties of operations.

In this Adding Tens and Tens Activity, students will practice adding 10 to a given number to build addition fact fluency.

Using Adding to Make 10 Activity, students match addition equation cards with missing addend cards to show equations that make 10.

Using this K.OA.1 Kindergarten Common Core Lesson, students add together two groups of objects and then match to the sum card.

UsingIce Cream Addition Sums of 11-16 Activity, studentsmatch the addition problems on the ice cream to the sum on the cone to build their addition fluency.

Using the Adding 13 Song (MP3), students sing and practice adding 13 with all addition facts 1-15. Your kids will learn how to add 13.

Using the Adding 14 Song (MP3), students sing and practice adding 14 with all addition facts 1-15. Your kids will learn how to add 14.

Using Let's Use a Number Line Activity, students represent whole-number sums and differences within 100 on a number line diagram.

In this Popcorn Mental Math Activity, students mentally add and subtract 10 or 100 to a given number 100–900.

In this Let's Go on a Trip Addition Subtraction Within 100 Activity, students add and subtract within 1000, using concrete models or drawings and strategies.

This K.OA.2 Kindergarten Common Core Lesson includes K.OA.2 Worksheets, K.OA.2 Activities, K.OA.2 Assessment, and K.OA.2 Poster.