Khan Academy
Khan Academy: Break Apart 3 Digit Addition Problems
Practice breaking apart big addition problems using place value. For example, 234+567 is the same as 200+500+30+60+4+7. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...
Khan Academy
Khan Academy: Breaking Apart Two Digit Addition Problems
In this exercise, students practice breaking apart two-digit addition problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Break Apart 2 Digit Addition Problems
Practice breaking apart problems like 23+45 into problems like 20+40+3+5. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Illustrative Mathematics
Illustrative Mathematics: 5.md: Breaking Apart Composite Solids
This exercise helps students understand how volume in figured, even when two or more parts of a prism are not overlapping. There is a teacher view, with a description of the activity and commentary, and a student view, with just the...
Other
Nearpod: Subtraction With Regrouping: Three Digit
In this lesson on subtraction, students will use the break apart strategy, draw a model, or the standard algorithm to subtract 3-digit numbers.
Other
Nearpod: Subtraction With Regrouping: Two Digit
In this lesson on subtraction, students will use the break apart strategy, draw a model, or the standard algorithm to subtract 2-digit numbers.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Division Strategy: Partition the Dividend [Pdf]
Break numbers apart as a strategy to divide.
Khan Academy
Khan Academy: Adding 53+17 by Making a Group of 10
Sal adds 53+17 by breaking apart the numbers and making a group of 10. [3:35]
Khan Academy
Khan Academy: Decompose Fractions With Denominators of 100
Practice breaking apart (decomposing) some number of hundredths into tenths and hundredths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: 2 Digit Place Value Challenge
Practice breaking numbers apart into tens and ones. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.