Speed Math for Kids Achieve Their Full Potential
Three divides into 27 exactly 9 times (9 × 3 = 27), so the next digit of the answer is 9. Because t ...
the divisor) and then ask, how many do we need to make 10? The answer is 2, so we write 2 in a ...
Test yourself Try these problems for yourself: a) 76 ÷ 9 = b) 76 ÷ 8 = c) 71 ÷ 8 = d) 62 ÷ 8 = e ...
Try the shortcut with the following: a) 25 ÷ 9 = b) 61 ÷ 9 = c) 34 ÷ 9 = d) 75 ÷ 9 = e) 82 ÷ 9 ...
Chapter 14 LONG DIVISION BY FACTORS Most people don’t mind short division (or simple division) but they ...
Now we divide our answer, 390, by the second 6. Six divides into 39 six times with 3 remainder (6 × 6 = ...
1,120 ÷ 35 = Double both numbers. Twice 11 is 22, and two times 20 is 40; so 1,120 doubled is 2,240. Thi ...
a) 2,345 ÷ 36 = b) 2,713 ÷ 25 = The answers are: a) 65 r5 b) 108 r13 Working with decimals We can divide nu ...
team is going. It is a fun way to practise the strategies. If I want to calculate the runs per over ...
Chapter 15 STANDARD LONG DIVISION MADE EASY In the previous chapter we saw how to divide by large numbers us ...
We now divide 74 by 29. We divide 74 by 10 to get 7 (we just drop the last digit to get an approximate ...
We subtract 217 from 241 for our remainder. 241 − 217 = 24 So 241 divided by 31 is 7 with 24 remainder. We ...
decimal places and 22.9 to one decimal place, which was the required answer. For b) you would have doubled both ...
Chapter 16 DIRECT LONG DIVISION Here is a very easy method for doing long division in your head. ...
We divide both numbers by 10 to get 3 and 43. We add three zeros after the decimal so that we can calculat ...
Let’s divide 32 into 240. We set the problem out as before: 32 We begin by dividing both numbers by 10. T ...
would round the 39 upwards to 40. For example, let’s divide 231 by 39. We set the problem out like this: We divid ...
Four times 8 is 32, with −1 remainder, which we carry as −10, and we ignore the 9 for the moment. We ...
Chapter 17 CHECKING ANSWERS (DIVISION) Casting out nines is one of the most useful tools available for working with ...
method to the problem that you want to check. Finding the remainder with a calculator When you carry out a ...
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