68 Speed Math for Kids
11 × 4 = 44
Multiply the numbers in the circles and add the result to 44.
4 × 3 = 12
44 + 12 = 56 Answer
11 7 × 8 = 44
–4
–3
- 12
56 Answer
Th is method will also work if we use 8 or 17 as reference numbers.
It obviously makes more sense to use 10 as a reference number for
the calculation, as we can immediately call out the answer, 56. Still,
it is always fun to play and experiment with the methods.
Try multiplying 8 times 8 and 9 times 9 using 11 as a reference
number. Th is is only for fun. It still makes sense to use 10 as a reference
number. Play and experiment with the method by yourself.