Introduction
Welcome Number Detectives! Today, you’ll explore the world of numbers up to 999. You’ll compare numbers to see which is greater, less, or equal using symbols (=, <, >). Use the links below to find clues and answer questions in your investigation log!
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How can we compare numbers using symbols and words?
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Why do we use <, >, and = to show number relationships?
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How does place value help us determine which number is greater or less?
Task
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Click each website link in order.
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Read, play, or watch carefully.
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Answer each question in your math journal.
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Use your comparison symbols correctly!
Process
Questions
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What symbol do we use when two numbers are the same?
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Use the chart on Toy Theater to build 246 and 426. Which is greater? Write your comparison.
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Using SplashLearn, compare 513 and 351. Which is smaller?
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On Math Playground, what does the “hundreds” digit tell you when comparing numbers?
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Compare 725 and 752. Which one has more tens?
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Write the comparison for 480 ___ 408.
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If 234 < 243, explain why it is less.
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On BBC Bitesize, what does “greater than” mean?
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Compare 615 and 516 using words and symbols.
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Create your own pair of 3-digit numbers and compare them!
Conclusion
Pick a question and write the answer on a stick note and put it in the question parking lot.
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How can we compare numbers using symbols and words?
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Why do we use <, >, and = to show number relationships?
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How does place value help us determine which number is greater or less?
Credits
Teacher Page
2.NR.3.1 Compare representations of whole numbers up to 999 and write a comparison statement using words and symbols. Limit to is equal to (=), is less than (<), and/or is greater than (>)