1.Line up the units columns ofeach number. 2.Add up the columns from right to left. 3.Carry over any spare tens to the next column
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Subtracting
1.Line up the units columns of each number. 2.Working right to left, subtracting the bottom number from the top number. 3.If the top number is smaller than the bottom number, borrow 10 from the left.
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And with Decimals...
the method is just the same, but start instead by lining up the decimal points.
4 of 5
To multiply any number by 10
Move the decimal point one place bigger
5 of 5
Other cards in this set
Card 2
Front
Adding
Back
1.Line up the units columns ofeach number. 2.Add up the columns from right to left. 3.Carry over any spare tens to the next column
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