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Even and Odd Numbers
Worksheet
Grade Level
Grade 5
5.26 Even and Odd Numbers
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A pattern starts at 851,897 and adds 25 each time. Is the 15th term even or odd? Choose the statement that best justifies your answer.
A
Because the step is 25, the pattern must alternate even, odd, even, odd no matter what it starts with.
B
Adding an odd number flips the even/odd status each time. Starting with 851,897, the 15th term is 852,247. It ends in 7, so it is odd. Estimate: 852,247 ≈ 900,000 (nearest hundred thousand), half ≈ 450,000.
C
Only the first digit matters. Since 8 is even, the term is even.
D
Round 852,247 to 900,000 and use that answer without checking the ones digit.
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