2. Addition and subtraction

Find the value of $894-47$894−47.

Easy

< 1min

Find the value of $386-19$386−19.

Easy

< 1min

Find the value of $686-37$686−37.

Easy

< 1min

Find the value of $975-17$975−17.

Easy

< 1min

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uses mental and written strategies for addition and subtraction involving two-, three-, four and five-digit numbers