Making mistakes helps us learn! Your students will flex their analytical muscles to pinpoint errors in multiplication problems using arrays. Use the lesson on its own or as support to Base Ten Arrays for Multi-Digit Multiplication.

Teach your students to draw an array using base ten notation to solve multiplication problems with two two-digit factors.

In this lesson, students use cubes to build arrays to represent factor pairs of numbers within 100. They use this understanding to identify multiples as well.

Help your students make sense of the commutative property of multiplication by relating it to arrangements of cars in parking lots.

Let's use exclamation points! Help your students become more expressive, efficient readers and writers by teaching them about this special punctuation mark.

Interjections, one of the eight parts of speech, can be the most exciting. They help students interject some fun and drama into their writing and conversations. In this lesson, they'll brainstorm how to use interjections in their sentences.

Your students will go bonkers for bingo as they play this baffling multiplication game! Who will get five in a row first?

Finding the least common multiple is an essential skill for comparing, adding, and subtracting fractions! This lesson introduces students to this concept in an interactive way.

Let's better understand multiplication and division concepts! Use this lesson to help students understand inverse operations between multiplication and division.

Which number doesn't belong? This lesson requires students to think critically as they determine which number is not a factor of a particular number. Teach it on its own or as support for the lesson Factors Over the Rainbow.

Get your students comfortable with discussing multiple strategies to solve subtraction problems with this lesson on two- and three-digit subtraction. It may be taught independently or as support for the lesson Subtraction with Regrouping.