5th Grade Math (Grade 5) · Chapter 1 · Lesson 1.6 · Printable PDF · Free

Numbers in Other Bases Worksheet with Answer Key

6 problems on numbers in other bases: converting between base ten, base five and base two, grouping crayons into boxes and cases, ordering numbers written in different bases, and telling which base a numeral is in. 2 pages, with a worked answer key and a one-page lesson handout. Free to download, no sign-in.

6 problems2 pagesanswer keylesson handout
Printable Numbers in other bases worksheet with answer key - 5th Grade Math (Grade 5) (Page 1 PDF preview)
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What's on the worksheet

  1. Write base five numbers in base ten and base ten numbers in base five:
    41_{\text{five}}203_{\text{five}}1102_{\text{five}}46101
  2. Write base two numbers in base ten and base ten numbers in base two:
    1001_{\text{two}}10011_{\text{two}}111000_{\text{two}}2137
  3. Mateo's crayons: find the full cases, extra boxes and loose crayons, then write 112 in base five.
  4. Put numbers from different bases in order from least to greatest.
  5. Fill in the blanks in a base five counting list.
  6. Each numeral names thirty: tell which is base two, base five and base ten.

Teach it first

The free lesson teaches it with worked examples and practice problems.

Numbers in other bases: the lesson ›