Lesson 8.4Representing Inequalities
Apply Day · Set BSecond form · new problems, same idea
Learning target I can write inequalities to represent real-world situations.
Remember8.4 · Part II
Writing & Representing Inequalities
- 'At least', 'minimum', 'no less than' translate to ≥ (greater than or equal to)
- 'At most', 'maximum', 'no more than' translate to ≤ (less than or equal to)
- 'More than' is >; 'Fewer than' / 'Less than' is <
Words: Inequality (Desigualdad)Greater than (Mayor que)Less than (Menor que)At least / At most (Al menos / A lo más)Variable (Variable)
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1Complete each step, then write the final answer.
The temperature is less than 30 degrees. Which symbol goes in the box: t ☐ 30?
Show your workFinal answer: -
2Complete each step, then write the final answer.
A theater holds no more than 250 people. Which symbol goes in the box: p ☐ 250?
Show your workFinal answer: -
3Complete each step, then write the final answer.
Players need a minimum of 3 hours of practice each week. Which symbol goes in the box: h ☐ 3?
Show your workFinal answer: -
4Circle the letter of the best answer. Show how you know.
A parking lot has fewer than 40 empty spaces. Which inequality shows the number of empty spaces s?
- As < 40
- Bs ≤ 40
- Cs > 40
- Ds ≥ 40
Show your work -
5Circle the letter of the best answer. Show how you know.
A bridge sign says: "Trucks over 12 tons may not cross." Which inequality shows the weight w of a truck that may cross?
- Aw ≤ 12
- Bw < 12
- Cw > 12
- Dw ≥ 12
Show your work -
6Complete each step, then write the final answer.
A number n is at least 4 and less than 9. How many whole numbers can n be?
Show your workFinal answer: -
7Circle the letter of the best answer. Show how you know.
Which inequality represents: 'The temperature is less than 40 degrees'?
- At < 40
- Bt > 40
- Ct ≤ 40
- Dt = 40
Show your work -
8Circle the letter of the best answer. Show how you know.
Which inequality represents: 'You must be at least 48 inches tall to ride'?
- Ah ≥ 48
- Bh > 48
- Ch < 48
- Dh ≤ 48
Show your work -
9Circle the letter of the best answer. Show how you know.
Which inequality represents: 'A store can hold no more than 75 people'?
- Ap ≤ 75
- Bp < 75
- Cp ≥ 75
- Dp > 75
Show your work