About Borrow Bubble Sub
A free Grade 2 math game for practicing regrouping subtraction. No account or download is needed.
Learning area: Adding & subtracting · Regrouping Subtraction.
Difficulty: 3 · Challenge within Grade 2. Combine ideas, remember more information or solve several steps.
Next in this learning areaEquation Bridge Builder3 · Challenge→What to do
Read the two-digit subtraction problem. Trade one ten for ten ones. Complete three moves to build the difference.
Choose an activity that fits your learner. Grade labels are a guide; adults can help with the instructions.
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