6 0 59 0 Find the difference between five hundred and six and fourteen point seven. 100 0 1 491.3 Well done, 506.0 - 14.7 written with decimals underneath each other 1 100 1 492.3 nope - check the units subtration, did you cross off the 6 for 5? 0 0 1 41.3 nope - check how you wrote the five hundred and six in figures, I wrote the sum as 506.0 - 14.7 0 0 1 359 nope - write the figures as 506.0 - 14.7 and line the figures in columns with the decimal points underneath each other 0 0 1 0 0 1 What is 31.26 - 1.7 ? 100 0 1 29.56 Well done, 31.26 - 1.70 written in columns 1 100 1 30.56 nope - check your subtraction in the units, did you cross off the 1? 0 0 1 31.09 nope - the sum should be written as 31.26 - 1.70 with figures underneath each other in columns 0 0 1 28.56 nope - check what you subtracted in the units column 0 0 1 0 0 1 What is 4 -1.75? 100 0 1 2.25 Well done, written as 4.00 - 1.75 in columns and you can't go wrong 1 100 1 1.75 nope - 4 minus something less that 2 must come out larger than 2. Try again 0 0 1 1.71 nope - the sum is written as 4.00 - 1.75 in columns with 4.00 on top and the decimal points in line 0 0 1 2.15 nope - check your subtraction in the first decimal place 0 0 1 0 0 1 Find 67.75 - 5.3 100 0 1 62.45 Well done, 67.75 - 5.30 in columns with the decimal points lined up 1 100 1 67.22 nope - make sure you have written the sum as 67.75 - 5.30 in columns with the decimal points lined up 0 0 1 73.05 nope - you have added, try subtracting in columns 0 0 1 14.75 nope - check you have written the sum as 67.75 - 5.30 in columns with the decimal points lined up 0 0 1 0 0 1 Find 12 - 3.75 100 0 1 8.25 Well done, 12.00 - 3.75 written in columns with the decimal points lined up, you can't go wrong 1 100 1 2.55 nope - how can roughly 12 minus 4 be so small? Write the question as 12.00 - 3.75 in columns and line the decimal points up 0 0 1 25.5 nope - how can 12 - 4 (about) be larger than 12? Write the question as 12.00 - 3.75 in columns and line the decimal points up 0 0 1 7.75 nope - try again using 12.00 - 3.75 in columns and remember to line the decimal points up 0 0 1 0 0 1 Find the difference between twenty seven point three six and sixteen point five 100 0 1 10.86 Well done, write the sum as 27.36 - 16.50 and put the numbers in columns with the decimal points lined up 1 100 1 11.86 nope - check the subtraction in the units column 0 0 1 25.71 nope - write the sum as 27.36 - 16.50 and put the numbers in columns with the decimal points lined up 0 0 1 9.86 nope - check subtraction in the units column 0 0 1 0 0 1 Find 46.2 - 13.675 100 0 1 32.525 Well done, you wrote the question as 46.200 - 13.675 and subtracted in columns with the decimal points lined up 1 100 1 13.213 nope, you have the sum the wrong way round and with the figures in the wrong columns. Write the sum as 46.200 - 13.675 with the 46.200 on top 0 0 1 32.535 nope - check your subtracting in the second decimal place 0 0 1 29.225 nope - the sum is 46.200 - 13.675 and not 42.600 - 13.675. Tell the tutor if you transpose digits often 0 0 1 0 0 1 Find 500 - 10.7 100 0 1 489.3 Well done, you wrote 500.0 - 10.7 with the figures underneath each other and the decimal points lined up 1 100 1 393 nope - write the sum as 500.0 - 10.7 with the figures underneath each other and the decimal points lined up and try again 0 0 1 498.3 nope - make sure you write the sum as 500.0 - 10.7 with the figures underneath each other and the decimal points lined up 0 0 1 499.3 nope - check the subtraction in the 10s column 0 0 1 0 0 1 Calculate the difference between four thousand and seven and seventy eight point zero four 100 0 1 3928.96 Well done, you wrote the sum as 4007.00 - 78.04 in columns with the decimal points lined up 1 100 1 3797 nope - you need to write the sum as 4007.00 - 78.04 in columns with the decimal points lined up 0 0 1 3938.96 nope - check the subtraction in the 10s column 0 0 1 3928.6 nope - check how you have written the number seventy eight point zero four. I wrote the sum as 4007.00 - 78.04 0 0 1 0 0 1 Find the difference between two point five four and two and a half 100 0 1 0.04 Well done, the sum is written as 2.54 - 2.50 1 100 1 0.49 nope - two and a half is best written as 2.50 not 2.05 0 0 1 -0.04 nope - the 'difference' between two numbers is always positive, so do the largest minus the smallest 0 0 1 1.57% nope - the question asks for the difference not the percentage difference (but your figure is correct!) 0 0 1 0 0 1 0 Clue => <= X small 0 Restart contents.htm 0 Geneva,Arial,sans-serif three 0 two one #0000CC #000033 :-) Index Show all questions Undo Hint *Check you@yourserver.com Show questions one by one Please enter your name: http://yourserver.com/cgi-bin/FormMail.pl => <= #000000 #ffffff Your time is over! #000066 0 Your score is #0000FF 1 Questions answered correctly first time: 0 #bbbbee OK 0 Check 0 Next correct letter is: Next Please enter a guess, then check. Correct answers: 0 0 2 Your answer is partly incorrect. Not perfect yet. Please try again. 0 1 nextpage.htm 0 1 Use a paper and pencil calculation to work out the anwers to the following subtraction sums 10 1 Correct! Next correct letter is: 0 1 1 0 0 Delete This Flashcard Show Answer