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 monkey business adding with an unknown number activity helps 1st-2nd grade students find missing addends within 20 by matching cards. Answer key included for fast checking.

This diving for sums add subtract within 1000 activity gives 2nd and 3rd Grade children 16 clip cards, a Dive Log and a practice page, with an answer key included for fast checking.

This adding with measures worksheet gives 2nd graders five length stories to turn into addition sentences and solve, keeping the unit with each total. An answer key is included.

The Valentine's Day Fact Families Worksheet gives 2nd grade students three number triangles with a missing number and four facts to finish, building addition and subtraction fluency together. Answer key included.

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.

In this 2.NBT.5 Second Grade Common Core lesson, students fluently add and subtract within 100 using multiple strategies.

Using Stuffd Sums Thanksgiving Activity, students match each addition pie to its ice cream scoop sum.

This three addend addition activity helps 1st-2nd grade students add three numbers by matching ice cream cones to scoops with the right sum. Answer key included.

This Valentine's Day Adding Coins Worksheet has 2nd grade students add rows of mixed coins, combine two sets of coins, and solve a story problem. An answer key is included, so every total checks in seconds.

Using the Adding 2 Song (MP3), students sing and practice adding 2 with all addition facts 1-15. Your kids will learn how to add 2.

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 the Adding 4 Song (MP3), students sing and practice adding 4 with all addition facts 1-15. Your kids will learn how to add 4.

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 Pirate Addition to 12 Activity, students match addition equation cards with sum cards to build addition fact fluency skills.

This 2.NBT.9 Second Grade Common Core Lesson includes 2.NBT.9 Worksheets, 2.NBT.9 Activities, 2.NBT.9 Assessment, and 2.NBT.9 Poster.