Regrouping Ones and Tens Practice Topic Index | Grade 2 Math | Elementary Test Prep | StudyZone

You will need 10 longs and 15 cubes to complete this activity.

If you don't have cubes or longs you could cut pieces of paper to represent them.

Use your longs and cubes to solve each problem.

 Show 35 Show 15 Put them together Did you need to regroup? Click on the arrow to check your answer. Yes. Your total should be 5 longs and 0 cubes or 50.

 Show 24 Show 12 Put them together Did you need to regroup? Click on the arrow to check your answer. No.  Your total should be 3 longs and 6 cubes.

 Show 76 Show 23 Put them together Did you need to regroup? Click on the arrow to check your answer. No.  Your total should be 9 longs and 9 cubes or 99.

 Show 48 Show 7 Put them together Did you need to regroup? Click on the arrow to check your answer. Yes.  Your total should be 5 longs and 5 cubes or 55.

 Show 81 Show 9 Put them together Did you need to regroup? Click on the arrow to check your answer. Yes.  Your total should be 9 longs and 0 cubes or 90.

 Topic Index | Grade 2 Math | Elementary Test Prep | StudyZone Created by Stacy Devendorf Updated by Stacy Dawson Copyright © 2001-07 Oswego City School District