19 is only 1 away from 20, so you prefer to start by multiplying 20 times 5, which equals 100. Then we need to take away a squadron of 5, because there are actually only 19 squadrons, not 20. 100 take ...
You’ll get 5 worksheets that you can use for short assessments, morning work or warm up exercises. Students will be able to easily practice multiplication while having fun! It’ll be a useful resource ...
Olivia's International Fun on MSN
A clever way to multiply two digit numbers
A clever calculation trick offers a different way to multiply two-digit numbers.
19 is only 1 away from 20, so you prefer to start by multiplying 20 times 5, which equals 100. Then we need to take away a squadron of 5, because there are actually only 19 squadrons, not 20. 100 take ...
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