1. Word cloud
120 seconds
What is the least number?
2. Slide
60 seconds
We use symbols like <, >, and = to compare numbers. The symbol < means that one number is less than the other. The symbol > means that one number is greater than the other.
Comparing and Ordering Numbers
3. Slide
60 seconds
Compare: To look at the differences between two or more numbers. Order: To arrange numbers in ascending or descending order from least to greatest. Number: A mathematical object used to count, label, and measure.
Concepts:
4. Slide
60 seconds
The largest known prime number has 17,425,170 digits. The mathematical symbol for comparing two numbers is '<' (less than) and '>' (greater than). The number 0 is neither positive nor negative; it is neither a prime number nor a composite number.
Did you know?
5. Open question
300 seconds
What strategies can you use when comparing and ordering numbers?
6. Open question
300 seconds
How can you use <, >, and = to compare and order numbers?
7. Open question
300 seconds
Which strategies do you think are the most effective for comparing and ordering numbers?
8. Open question
300 seconds
Which strategies do you think are the least effective for comparing and ordering numbers?
9. Drawings
450 seconds
Brain break: Draw a dinosaur behind the steering wheel of a racing car.
10. Drawings
1260 seconds
Question: Compare and order the numbers 34, 25, and 12. Clues: • Start by writing the numbers down in a row. • Look for the biggest number and circle it. • Then look for the smallest number and draw an arrow pointing to it. In pairs: Select and solve one of the tasks: A. Work with a partner to compare and order the numbers. Draw a picture to explain your solution. B. Write a sentence to explain your solution in words.
11. Poll
60 seconds
What is the smallest number between 5 and 9?
- 6
- 7
- 8
- 5
12. Poll
60 seconds
Which number is greater: 12 or 21?
- 12
- 21
13. Poll
60 seconds
What symbol can be used to compare two numbers?
- =, >=
- <=
- >, <
14. Poll
60 seconds
What is the next number in the sequence: 3, 6, 9, ___?
- 18
- 15
- 21
- 12
15. Poll
60 seconds
Which is the largest value between -1 and -10?
- -10
- -1
16. Open question
180 seconds
Work together in pairs: What is the greatest number when comparing 8, 4, and 10?
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