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Peabody TeachFor teachers and grown-ups

Addition facts wheel: every fact from 1 + 1 to 9 + 9 v0.2.0

Tap, flick or press Space

45 entries

Hide a note behind a slice with a bar: cat | a small furry pet. It shows after the spin. Start a line with an emoji to draw it big. Two columns pasted from a spreadsheet work too.

After a spin

Anyone can come up again. Repeats are fine.

Who's away today?

Tap anyone who is away. Their slice is hatched and skipped today only; at midnight they are back. Nobody is deleted.

Drag the wheel round and let go to flick it. Your flick sets the show. The draw is already fair: your browser's secure random generator picks the winner before the wheel moves.

The contents travel inside the link after the # sign, which browsers never send to any server. Anyone you give the link to can read them.

Space spin, or stop sooner · R new round · M sound on or off · F full screen · Esc leave it

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Forty-five addition facts on one wheel, each with its sum hidden until the spin stops, for fact fluency warm-ups in kindergarten to 2nd grade.

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How to use it

  1. The wheel already holds 45 entries for “Addition facts wheel”. Edit, add or delete lines in the box and it redraws; your changes stay in this browser.
  2. Tap the wheel, press Space, or drag it and let go to flick it. The winner is drawn first with your browser's secure random generator; the pegs, the clicks and the big reveal only show it.
  3. Choose Fade the winner or Remove the winner to use every entry once, or Keep everyone in for repeats. “Original list” brings back the starting entries, and Print makes a paper spinner of the list.

Ideas for class

  • Show me with fingers: spin, everyone shows the sum on their fingers or a whiteboard on the count of three, then reveal the answer.
  • Doubles first: keep only the lines like 4 + 4 and 6 + 6, then add the near-doubles once the class has those down.
  • Make ten: after each spin, ask how much more the first number needs to make ten, and how that helps with the fact.
  • Counters at the carpet: the winner's two numbers become two piles of counters, and a volunteer counts them all to check the sum.
  • Turn it around: ask for the same fact with the numbers swapped, and the subtraction facts that come from the same three numbers.

Related

Questions

Why does it stop at 9 + 9?

Those 45 facts are the single-digit sums most kindergarten to 2nd grade classes work toward. Add lines such as 10 + 7 | 17 if your class is ready for bigger numbers.

Is 2 + 5 on the wheel as well as 5 + 2?

Each pair appears once, smaller number first, so the wheel is not crowded with turn-arounds. Ask for the turn-around fact after each spin: it has the same sum.

Can I use it for subtraction?

Yes. Read the sum first and one number, and ask for the missing number, so 3 + 6 | 9 becomes 9 take away 3. The hidden sum lets the class check either way.

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