Subtraction Within 20 — Horizontal Worksheet

Horizontal subtraction facts within 20, printable, answer key on the page.

1.31=2.76=3.107=4.81=5.77=6.109=7.91=8.61=9.101=10.96=11.65=12.87=13.41=14.72=15.103=16.95=17.104=18.75=19.74=20.83=21.22=22.66=23.92=24.105=
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1.31=2.76=3.107=4.81=5.77=6.109=7.91=8.61=9.101=10.96=11.65=12.87=13.41=14.72=15.103=16.95=17.104=18.75=19.74=20.83=21.22=22.66=23.92=24.105=
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Teaching notes

Use horizontal sheets for fluency checks and vertical sheets for teaching — the stacked form is where regrouping will later live, but the equation form exposes strategy faster.

Common Core: 1.OA.C.6

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