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.

This adding fluency within 5 worksheet gives kindergarten students 14 quick addition facts with sums up to 5 to build speed and confidence. An answer key is included for easy checking.

This adding six equations worksheet gives 1st grade students sixteen addition problems with every sum within 20 and a printed box for each answer. An answer key is included for quick checking.

Practice with this three digit addition worksheet, where every problem regroups. Six column problems and three word problems for 3rd grade, with an answer key, build accuracy that lasts.

Using this Frosting and Fractions Activity, students use the fraction bars to solve kitchen conundrums.

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

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

In this Adding and Subtracting to 1000 Activity, students add and subtract within 1000, using concrete models or drawings and strategies.

Using Snickel-Doodles Counting Nickels Activity, studentspractice counting nickels and cents amounts usingthe Snicker-doodle cookies.

Using Missing Number Addition Activity, students fill in the missing addends to complete the addition number sentences.

This add millions no regrouping worksheet helps 5th grade students add 8- and 9-digit numbers and solve two word problems, with an answer key included for quick, easy checking.

This number line jump forward and solve worksheet helps 1st grade students add by counting on, filling in each number line and jumping to the sum. An answer key is included for fast checking.

This adding 9 word problems worksheet gives 1st Grade students five short addition stories with matching number sentences and an answer key, building quick, confident plus-nine thinking.

This Triple Digit Adding Regroup Worksheet gives 2nd Grade students six column problems and two word problems on three digit addition with regrouping, plus a full answer key.

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 12 Song (Lyric Mjusic Video), students sing and practice adding 12 with all addition facts 1-15. Your kids will learn how to add 12.

Using the Adding 3 Song (MP3), students sing and practice adding 3 with all addition facts 1-15. Your kids will learn how to add 3.

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