MathematicsFreePrintable
Number Lines and Benchmarks
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Number Lines and Benchmarks
📏 Part 1: Finding Benchmarks
1. Circle the numbers that are benchmarks on our number line:
10
25
35
50
75
90
2. Which number comes exactly in the middle of 0 and 100?
25
50
75
3. Mark 25, 50, and 75 on this number line:
0 _________________ _________________ _________________ 100
4. Which benchmark is closest to 30?
25
50
75
🎯 Part 2: Using Benchmarks
5. Look at this number line. Write the missing benchmark numbers:
0 _______ _______ _______ 100
6. Circle where you think 80 would go on this number line:
Between 0 and 25
Between 25 and 50
Between 50 and 75
Between 75 and 100
7. Explain why 75 is a good benchmark to help us find other numbers:
8. Draw and mark where 40 would go on this number line. Use the benchmarks to help you!
0 ___25___ ___50___ ___75___ 100
⭐ Part 3: Challenge Activity
9. Extension: Create your own number line from 0 to 50. Mark the benchmarks that would help you find other numbers:
10. Which number is closer to 50: the number 45 or the number 60? Explain your thinking:
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