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Answer Remember to line up the decimal points - Example 3.4 - 1.26 LEARN TO SUBTRACT DECIMALS 2 . 1 4 3 . 4 U 1 . 2 6 Tth Hth 0 subtract as normal Don't forget to borrow if necessary Put a zero in any empty column(s), then Line up the decimal points, then subtract as normal Note: 7 is 7 whole units, 7 = 7.0 or 7.000 Example 7 - 1.452 - 1 . 4 5 2 7 . U 0 0 0 Tth Hth Thth ANSWER - = 7 . 0 0 0 1. 4 5 2 6 5. 5 4 8 9 9 = - . . . 3.5 - 2.38 You may need to use a pencil and paper to set this out first. = 6.4 - 0.1 You may need to use a pencil and paper to set this out first. = 4 . 8 - 2 . 3 You may need to use a pencil and paper to set this out first. 5.7 - 2 = You may need to use a pencil and paper to set this out first. = 4 - 1.6 You may need to use a pencil and paper to set this out first. = 23.49 - 4.56 You may need to use a pencil and paper to set this out first. = 0 . 306 - 0 . 1 You may need to use a pencil and paper to set this out first. = 1 - 0.03 You may need to use a pencil and paper to set this out first. When subtracting decimals you need to remember to always line up the
fill in any empty columns with a AND = - 2 . 6 - 0.31 Working out - 7.304 - 0.5 At the school athletics carnival Billy jumped a height of 1.6 metres. His friend Alex jumped only 1.35 metres. Find the difference in the heights they jumped. Answer = metres Bill the builder measures a piece of timber to be 0.96 metres long, however he only needs a piece 0.6 metres long. How much will he need to cut off ? metres The end ! |