Unit 2 · Number Theory
4→7 in ⅓ vs 6→8 in ¼ — Who Makes More Jumps?
Lesson 13 of 15
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About this lesson
Charles counts 4→7 in jumps of ⅓: range=3, jumps=3÷⅓=9. Julie counts 6→8 in jumps of ¼: range=2, jumps=2÷¼=8. Charles makes 1 more jump. The key insight: number of jumps = range ÷ jump size = range × denominator.
Chapters
0:00Introduction
0:21The Question
0:54Analysing Charles's jumps
1:16Analysing Julie's jumps
1:51Comparing the jumps & final answer
2:14Strategic exam tip
2:44Correct answer
Question
Charles counts from 4 to 7 in jumps of ⅓
Julie counts from 6 to 8 in jumps of ¼
Which statement is correct?
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