Page 118 - NUMINO Challenge_B2
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Problem solving Key Points
1 Peter scored 82 points for a math test. He started Solve the problem
with 50 points. 10 marks were given for each by making a chart.
correct answer and 4 marks were deduced for
each wrong answer. If there were 10 problems,
how many correct answers and wrong answers did
Peter have?
2 Sam gathers chestnuts every day. He gathers 25 Solve the problem
chestnuts on sunny days and 13 chestnuts on by assuming that all
rainy days. If Sam gathers 214 chestnuts during the days are sunny
10 days, how many days are sunny days? days.
115Communication
1 Peter scored 82 points for a math test. He started Solve the problem
with 50 points. 10 marks were given for each by making a chart.
correct answer and 4 marks were deduced for
each wrong answer. If there were 10 problems,
how many correct answers and wrong answers did
Peter have?
2 Sam gathers chestnuts every day. He gathers 25 Solve the problem
chestnuts on sunny days and 13 chestnuts on by assuming that all
rainy days. If Sam gathers 214 chestnuts during the days are sunny
10 days, how many days are sunny days? days.
115Communication
