8th grade sub plans: math

One math lesson for every period of a 8th grade day, with no prep: a five-minute bell ringer, then a adding and subtracting integers sheet with its key, a partner check, and an exit ticket at the door. The timetable runs 7 periods of 50 minutes; the lesson fits each one.

Checked October 30, 2026. Made from Peabody Teach's own passages, worksheets and brain break cards.

Make the whole day at 8th grade ▸

The lesson, every period

Math: adding and subtracting integers

First 5 minutes, the bell ringer: write these on the board and solve them together, asking a student to explain each step: 19 + 6; 16 + (−20); 12 − 2.
Next 30 minutes: Hand out the adding and subtracting integers sheet (16 problems). Print 24; the key is on its own page.
Students work on their own for twenty minutes, then check with a partner.
Early finishers write three problems of their own and swap with a neighbor.
Last 10 minutes, the exit ticket: students solve two more problems from the board on a scrap of paper with their name, and hand it to you at the door.
Collect the work for each period in its own pile, with the period written on top.

📄 Adding and subtracting integers (sheet and key)

The sheets, on their own pages

Adding and subtracting integers worksheets: three versions with keys

Subbing 8th grade

Eighth graders are the oldest in a middle school and respond to being told the plan and trusted with it. They can read a passage alone, answer with evidence from it, and check a partner's work against the key.

Say the whole period's plan in the first minute, including what to do when finished.
Offer a small choice (which question to share, where to start) rather than a reward.
If work comes back unfinished, note who and why in the note to the teacher, without a lecture in the room.

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