NumberNut
Number Nut: Subtraction: Borrowing
Explains the concept of 'borrowing' in subtraction, also known as regrouping or decomposing numbers.
ClassFlow
Class Flow: Breaking 10 Apart
[Free Registration/Login Required] This is an interactive lesson that encourages students to move around. It focuses on the students being able to recognize that numbers are the same even if you break them apart into groups. This lesson...
Illustrative Mathematics
Illustrative Mathematics: k.oa What's Missing?
Students will practice composing and decomposing numbers with this quick game. Show the student 6 counters. Ask the student to close his/her eyes. Hide some of the counters under a sheet of heavy paper. When the student opens his/her...
Other
The Math Learning Center: Pattern Shapes
Students use pattern shapes to explore geometry and fractions, creating their own designs, or filling in outlines. As they work with the shapes students explore geometric relationships, think about angles, investigate symmetry, and...
NumberNut
Number Nut: Subtraction: Three Digit Subtraction With Borrowing
A quiz for practicing subtraction with three-digit numbers where there is regrouping.
Alabama Learning Exchange
Alex: Fishy Addition!
In this activity, learners will use manipulatives to act out and solve simple addition problems.