Solving maths problems
This task is about solving maths problems.
a) There are 21 people at a beach, and 13 more people arrive.
Show how to work out how many people are at the beach altogether.
21 + 13 = 34
20 + 10 = 30
1 + 3 = 4
Answer: 34
b) Two classes go on camp together. One class has 37 students and the other has 28.
Show how to work out how many students go on camp.
37 + 28 = 65
30 + 20 = 50
8 + 7 = 15
50 + 15 = 65
Answer: 65
c) A farmer has 63 cows. He buys 59 more cows.
Show how to work out how many cows he has altogether.
63 + 59 = 122
60 + 50 = 110
9 + 3 = 12
110 + 12 = 122
Answer: 122
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