Dive deep into using base-ten blocks to solve two-digit subtraction problems with regrouping. This lesson can be used independently or in conjuction with the lesson Double Trouble: Subtraction Practice.

The number ten has lots of friends, and they often come in pairs! Your students will sing a song, enjoy a video, play a game, and work on matching number pairs that make ten!

Here comes the Ten Monster! Get ready to learn about subtracting tens in this hands-on lesson.

Students will gain fluency with adding multiples of ten in this hands-on lesson that builds number sense.