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Grade 1 Subtraction Worksheets

Subtraction within 20 is where 'counting up' earns its keep. These pages mix plain fact practice with missing-number equations; the horizontal sheets double as fluency checks in the format workbooks and apps use.

Subtraction Within 20

1.8−32.8−83.8−54.8−15.5−46.9−37.6−48.7−59.10−610.6−611.7−212.10−313.8−414.10−415.6−116.2−217.9−518.9−419.10−120.4−421.3−322.7−423.7−324.5−3
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1.8−352.8−803.8−534.8−175.5−416.9−367.6−428.7−529.10−6410.6−6011.7−2512.10−3713.8−4414.10−4615.6−1516.2−2017.9−5418.9−4519.10−1920.4−4021.3−3022.7−4323.7−3424.5−32
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