Unit 1 Secret Numbers Pattern Worksheet

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What’s the Secret Number?
Use materials such as counters or a hundred chart.
Part 1
Ed, Alecia, and Russell chose secret numbers.
My number is between 26
My number has 6 more
My number is even.
and 54. You say my number when
tens than ones. The number
The tens digit is 1. The number
you count by 5s, but not when you
of tens plus the number
of ones is greater than
count by 2s. My number does not
of ones is 12.
the sum of 2 and 4.
have the same digits as 54.
➤ Find the secret numbers.
Part 2
My secret number
Mia chose a secret number and gave these hints.
is an odd number.
It is greater than 70.
➤ Did Mia give enough information? Explain.
➤ Mia’s secret number is 87. What other hints could
she give so a friend can find the secret number?
➤ Trade hints with another pair of classmates.
Check each other’s work.
➤ Talk about how different hints can describe the same number.
F
2
Performance Assessment
OCUS

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