Lesson 7.4Ordering Integers and Rational Numbers
Start hereWords, worked example, and sentence starters
Learning target I can compare and order integers using a number line.
Start hereWords for this lesson
Read each word before you begin. Say it out loud.
| Word | What it means | Example |
|---|---|---|
| Number lineSpanish: Recta numérica | A straight line where numbers are placed in order; numbers get smaller to the left and larger to the right. | ← -3 -2 -1 0 1 2 3 → |
| CompareSpanish: Comparar | To see if a number is bigger, smaller, or equal to another. | -3 < 2 because -3 is farther left on the number line than 2 |
| OrderSpanish: Ordenar | To arrange numbers by size, from least to greatest or greatest to least. | −9, −2, 0, 6 |
| Greater thanSpanish: Mayor que | The > sign, showing one number is bigger. | 4 > -1 because 4 is to the right of -1 on the number line |
| Less thanSpanish: Menor que | The < sign, showing one number is smaller. | -6 < -2 because -6 is farther left — it is farther from zero |
| Negative integerSpanish: Entero negativo | A whole number smaller than zero, like -5. | -4 is 4 units to the LEFT of zero on the number line |
How it worksWorked exampleordering three negative depths
These numbers are not on your problems. The steps are. Follow them with your own numbers.
Three wells have floors at −418 feet, −96 feet, and −1,240 feet. Order the depths from least to greatest.
- All three numbers are negative, so every point lands to the left of 0.
- Farther left means less. Sketch a line and place the three points on it.
- Read the line left to right: −1,240 , −418 , −96
- Check with absolute value: the least number sits farthest from 0.
Answer: −1,240 < −418 < −96, so the order is −1,240 , −418 , −96.
Now you trySame steps, your turn
The steps are the same as the worked example. The numbers are yours. Do the work.
Three wells have floors at −275 feet, −53 feet, and −809 feet. Order the depths from least to greatest.
- All three numbers are , so every point lands to the of 0.
- Farther left means . Sketch a line and place the three points.
- Read the line left to right: , ,
- Check with absolute value: the number sits farthest from 0.
Say it and write itSentence starters
Finish each sentence out loud with a partner. Then use them in your writing.
- I placed before because .
- From least to greatest the order is , , .
- The absolute value of is , which measures .
- The number farthest from zero is , but the greatest number is .
Word bank orderleastgreatestabsolute valuedistancepositionnumber linenegativepositiveinequalityleftright
Watch outA common mistake
A common mistake in Compare and Order Integers is thinking that a negative number with a bigger digit is the bigger value — for example, believing -15 is greater than -8 because 15 is greater than 8. It's the opposite for negatives: the number farther to the left on the number line (farther from zero) is always the LESSER value, so -15 < -8. Before you submit, check your comparison against the number line, not just the digits.
Lesson 7.4Ordering Integers and Rational Numbers
Apply Day · Version ASupported practice
Learning target I can compare and order integers using a number line.
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1Complete each step, then write the final answer.
Which is greater: −16 or −8?
Show your workHint The number farther right on a number line is greater.
Final answer: -
2Complete each step, then write the final answer.
Which symbol goes in −4 ___ 2? Use < or >.
Show your workHint A negative number is always left of a positive number.
Final answer: -
3Complete each step, then write the final answer.
Which is less: 0 or −19?
Show your workHint Negative numbers are left of 0.
Final answer:
Lesson 7.4Ordering Integers and Rational Numbers
Apply Day · Version BCore practice
Learning target I can compare and order integers using a number line.
-
1Complete each step, then write the final answer.
Max writes −10 > −2 because 10 > 2. Which symbol should go in −10 ___ −2?
Show your workFinal answer: -
2Complete each step, then write the final answer.
Which is greater: −4.2 or −4.25?
Show your workFinal answer: -
3Complete each step, then write the final answer.
Which is greater: −14 or −20?
Show your workFinal answer:
Lesson 7.4Ordering Integers and Rational Numbers
Apply Day · ChallengeExtension
Learning target I can compare and order integers using a number line.
-
1Circle the letter of the best answer. Show how you know.
Order these numbers from LEAST to GREATEST: −2, 1.5, −4.5, 0, 3.
- A−2, −4.5, 0, 1.5, 3
- B3, 1.5, 0, −2, −4.5
- C−4.5, −2, 0, 1.5, 3
- D−4.5, −2, 0, 3, 1.5
Show your work -
2Complete each step, then write the final answer.
Eva says −0.6 < −0.55 is false because 0.55 has more digits. Which is greater: −0.6 or −0.55?
Show your workFinal answer: -
3Complete each step, then write the final answer.
Which is less: −5.6 or −5.65?
Show your workFinal answer: