This breaking down numbers worksheet has 1st graders sort twelve addition facts by the sum they make and finish three missing-number equations. An answer key is included for quick checking.

This Christmas Addition Worksheet has 1st graders find twelve missing addends within 20, then crack a number code to reveal a holiday message. An answer key is included for easy checking.

The Adding Six Matching Worksheet gives 1st grade students five plus-six facts to match and six more to solve, with an answer key, so adding six becomes a fact they know by heart.

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

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

In this Add and Subtract with Frogs Activity, students add and subtract within 1000, using concrete models or drawings and strategies.

Using Decomposing a Ten Frame Activity, students match addition equation cards with ten frame cards to show equations that make 10.

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.

This if I know this then I know addition worksheet helps 1st grade students use turnaround facts to solve sums within 20, with an answer key included for quick, confident checking.

This fact families worksheet has 1st graders write twelve column addition and subtraction facts from three number families within 20. An answer key is included for quick, no-prep checking.

This Addition Problem Solving Addends to 40 Worksheet gives 1st graders five short math stories to solve by adding tens and ones. An answer key is included, so checking work is quick and easy.

This adding five equations worksheet gives 1st graders 16 problems with printed answer boxes and every sum within 20. Includes an answer key for quick, no-prep practice with the fives.

This Adding 1 Word Problems Worksheet gives 1st Grade students five short stories with matching number sentences, roomy answer lines, and a complete answer key, so adding one more becomes quick and automatic.

The Snowman Math Worksheet gives 1st Grade students eight snowmen to solve, adding the two top snowballs and writing each sum in the bottom one. Answer key included.

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

Using the Adding 6 Song (MP3), students sing and practice adding 6 with all addition facts 1-15. Your kids will learn how to add 6.

Using the Adding 9 Song (MP3), students sing and practice adding 9 with all addition facts 1-15. Your kids will learn how to add 9.

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

In this Ice Fishing Addition Subtraction Within 100 Activity, studentsuse addition and subtraction within 100 to solve word problems involving lengths that are given in the same units.