Use these vocabulary cards with the EL Support Lesson Plan: Adding Within 20.

Complete the number sentence by counting left and right on a number line. Can your child find all the missing numbers?

Strengthen your second grader's ability to tackle his addition facts by adding up the number strings, and uncover a fun fact when he's finished.

Your child will figure out the number pattern and further develop the problem solving skills needed for multiplication.

One way to find the missing number in an equation is to use a number line. Your kid will do just that in this set of addition problems.

Challenge your third grader to figure out the addition and subtraction patterns on this worksheet.

Kids will practice predicting what comes next while further developing the skills needed for multiplication.

Practice addition with your second grader, a math worksheet, and a deck of playing cards.

Gain expertise with addition sentences within 20 in this helpful math worksheet!

Can your second grader dig a little deeper into number comparisons? Have her find the missing number that makes each "greater than" equation true.

Did you know that multiplying a number by two is the same thing as adding that number to itself? Use this trick in this lovely math worksheet.

Work on addition while finding sums of 100 using a deck of playing cards and this first grade math worksheet.

This addition puzzle is a great math challenge. Experiment with the number combinations to find the requested sums.

Construct your own math city with number sentences in this colorful second-grade worksheet!

Use your addition skills to build your own number city in this unique worksheet!

Practice addition while solving number puzzles in this engaging worksheet for first and second graders!

Let the construction begin! Learners will use number sentences to make buildings in this inviting addition worksheet!

Sharpen your single-digit addition skills with this helpful first- and second-grade worksheet!

Practice a helpful strategy for adding single-digit numbers in this worksheet, the second entry in a scaffolded series!

Master making ten to help you solve addition problems in this helpful worksheet!

This worksheet is a fun way to practice skip counting by nine, addition facts, and number sense skills.

This worksheet is a fun way to practice skip counting by seven, addition facts, and number sense skills.

Count by lucky number seven! This coloring page dot-to-dot provides unexpected math practice with a fun activity.

Add some color to these Christmas presents in this color-by-number mental math worksheet. Kids will exercise addition and subtraction skills.

Make the math concept "less than" more clear with a colorful worksheet that gets him practicing with number comparisons to make each equation true.

This Christmas color-by-number worksheet gives kids the added challenge of solving math problems. Practice math and creativity with this Christmas worksheet.

Santa left some gifts, but they need a little color. Your child will color the gifts by number with the help of some addition and subtraction problems.

Celebrate the joy of Christmas with an addition and subtraction focused color-by-number worksheet. Your child will solve equations and color in our worksheet.

Kids get a taste of basic algebra in this 2nd grade math worksheet. Kids flip the equations and reverse the operations in order to find the missing number.

Practice some merry math with these Christmas-themed word problems. Kids will use math skills to find the correct number of wreaths, carolers, and chocolates.