InteractivepublishedGlyph seed

Integer addition & zero pairs

Adding integers on the number line: each +1/−1 pair cancels to zero. Students drag to the result and count the canceling pairs. Completed from Sean's chip-model prototype, which had the manipulative but no targets.

Content

1. Think of

4 + (-4)

as four +1 chips and four −1 chips. Every chip pairs up. Drag M to the result.

Standards

CCSS-M 6.NS.C.5
CCSS-M 7.NS.A.1
GCSE N2