These equations have lost their signs! Only one sign — plus or minus — can make each equation true.

Can your second grader make her own bar chart? Use this pretend survey of 38 people and their favorite cities to find out!

Kids use two-digit addition to solve a handful of word problems.

Children practice writing numbers from expanded forms and expanded forms from numbers.

Mastering subtraction is a lot like mastering baseball - it takes practice. Students can practice their subtraction skills by using the regrouping method.

This fast math game requires just a deck of cards. Kids need to arrange cards from least to greatest, as fast as they can, by swapping adjacent cards.

First and second graders will LOVE finding the missing numbers in this adorable Valentine’s Day math puzzle!

Practice addition and subtraction within 20 with this sweet Valentine’s Day math puzzle!

Help your second grader decrypt the time expressed on each analog clock, and draw a line to a digital clock set on the same time.

Will your second grader practice their addition with carrying and help these beautiful butterflies with their math?

Your second grader can help these bouncing beetles with two-digit addition problems. Watch out for larger numbers... they may require carrying!

Lengthen your learners' addition and subtraction skills using number line models and real-world scenarios!

Help your child understand a.m. and p.m. by having them read each sentence, then determine if the event happened before noon (a.m.) or after noon (p.m.).

Comparing the length of everyday objects helps kids understand the real-world application of measurement.

Spark curiosity and problem-solving skills in young learners with this engaging spring-themed math puzzle!

Try solving near-doubles facts with these nine problems!

Can you decode the secret message hidden in these addition problems?

Break numbers into tens and ones to more easily solve tricky subtraction problems!

Succeed in subtraction using the compensation strategy!

Learn how to break apart numbers to help solve subtraction problems!

Solving these two-digit addition problems will lead your second grader to discovering the true name of this mystery super hero!

Help the mother polar bear find her baby by skip counting your way through this maze activity!

Partake in classic summertime activities as you solve each of these addition and subtraction word problems!

Subtract like a master with the help of the handy compensation strategy!

After reading the example, ask your students to solve 15 different subtraction equations between fractions with a common denominator.

Students color in odd numbers to reveal a path to the gold at the end of the rainbow.

Kids can practice changing singular nouns to plural nouns that end with s or es.

It's time to check those addition skills! Use this to assess your student’s abilities to add within 20.