2 Every learner in Leon’s class has a pencil case with 21 coloured pencils. There are 32 learners in Leon’s class. How many coloured pencils are there altogether? To find the answer we can multiply 32 by 21. First multiply the top number by the ones from the bottom number.
3
2
×
2
1
(32 × 1)
3
2
Next, multiply the top number by the tens in the bottom number. There will always be a zero in the ones place.
3
2
×
2
1
(32 × 1) (32 × 20)
3
2
6
4
0
Finally add the results together.
3
2
×
2
1
3
2
+ 6
4
0
6
7
2
There are 672 coloured pencils altogether.
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