Unit 1: Numerical Representation
How would you write the following in words: |-7.6|
Solve the following: 2,453 + 61.18
2,453 + 61.18 = 2514.18
Solve the following: 13 - 15
13 - 15 = -2
Determine if 12:16 and 72:96 are equivalent ratios.
Yes, they are equivalent ratios.
Write the following decimal as a percent: 0.68.
0.68 = 68%
Classify the following number as a rational number, an integer, or a whole number: -19.0.
-19.0 is an integer
Michael is purchasing back-to-school supplies. He buys a math workbook for $19.88, a calculator for $35.97, and a pack of pencils for $8.27. How much did he spend on school supplies?
Michael spent $64.12.
Solve the following: 14 • (-3)
14 • (-3) = -42
Solve the following: All of the letters in the alphabet are randomly placed in a bag. Each letter appears only once. What is the ratio of vowels to consonants?
Remember: There are 26 letters in the English alphabet. There are 5 vowels (a,e,i,o,u).
5 vowels : 21 consonants
What year was Valor Education founded?
2018
True or false: An integer is always a whole number.
This is false. An integer may also be the opposite of a whole number.
Solve the following: 3,500 • 2.8.
3,500 • 2.8 = 9,800
Solve the following: 45 ÷ (-5)
45 ÷ (-5) = -9
What is Mr. Johnson's favorite color?
Black
Eleven of the 20 students in Mr. Gonzalez's science class are attending the field trip. What percent best represents the portion of the class attending the field trip?
55% of the students are attending.
Create an inequality for the following numbers using either <, >, or =.
-8.7 ____ -7.8
-8.7 < -7.8 (-8.7 is less than -7.8)
Chris is building a model out of wire. He has a wire that measures 0.9 of a yard. If he cuts it into 5 equal parts, then how long will each piece be?
9/50 of a yard
Solve the following application problem: At the beginning of the day, the temperature was -8ºF. By noon, the temperature increased by 19ºF. What was the temperature at noon?
The temperature at noon was 11ºF.
Solve the following application problem: The world record for the largest cup of hot chocolate was 3,331 L at the Festival of Chocolate in 2013. How much hot chocolate is that in milliliters?
Remember: 1 L = 1000 mL
3,331 L = 3,331,000 mL
On a random Friday in the spring, 88% of students are present at school. If there are 528 students present, then how many students total are enrolled?
There are 600 students enrolled at the school.