Writing Expressions
Write an expression for 6 subtracted from x.
What is x - 6
Use this set of data to find the median:
3, 1, 6, 8, 2
*Hint - to find the median you line up the numbers from least to greatest and find the middle number**
What is 3.
1, 2, 3, 6, 8
30x + 3 < 100
when x = 3
What is true.
30(3) + 3 < 100
90 + 3 < 100
93 < 100
52 = _______
What is 25
52 = 5 x 5 = 25
Harry's house is 4 feet below sea level. Sonia's house is 9 feet above sea level. Write an inequality that shows the relationship between those two houses.
What is -4 < 9 or 9 > -4.
Write an expression or 7 less than x.
Use this set of data to find the median:
9, 2, 5, 7, 10
*Hint - to find the median you line up the numbers from least to greatest and find the middle number**
What is 7.
2, 5, 7, 9, 10
Write true or false if the substitution makes the inequality true or false.
37x - 8 < 100
when x = 5
What is false.
37 (5) - 8 < 100
185 - 8 < 100
177 < 100
43= _____
What is 64.
43 = 4 x 4 x 4 = 64
Ed's house is 5 feet below sea level. Matthew's house is 8 feet above sea level. Write an inequality that shows the relationship between those two houses.
What is -5 < 8 or 8 > -5.
Write an expression for 9 added to x.
What is
9 + x or x + 9
Use this set of data to find the mean:
3, 1, 6, 8, 2
*Hint - to find the mean you add up the numbers and divide your sum by the number of numbers you have**
What is 4.
3 + 1 + 6 + 8 + 2 = 20
20 ÷ 5 = 4
Write true or false if the substitution makes the inequality true or false.
20x + 5 < 100
when x = 3
What is true.
20 (3) + 5 < 100
60 + 5 < 100
65 < 100
92= _____
What is 81.
92 = 9 x 9 = 81
The temperature on Monday was 6 degrees below zero. The temperature on Tuesday was 11 degrees above zero. Write an inequality that shows the relationship between those two temperatures.
What is -6 < 11 or 11 > -6.
Write an expression for 8 more than x.
What is
x + 8 or 8 + x
Use this set of data to find the mean:
9, 3, 6, 7, 10
*Hint - to find the mean you add up the numbers and divide your sum by the number of numbers you have**
What is
9 + 3 + 6 + 7 + 10 = 35
35 ÷ 5 = 7
Write true or false if the substitution makes the inequality true or false.
35x - 7 > 100
when x = 4
What is true
35 (4) - 7 > 100
140 - 7 > 100
133 > 100
104 = ____
What is 10,000
104 = 10 x 10 x 10 x 10 = 10,000
The temperature on Friday was 9 degrees below zero. The temperature on Saturday was 15 degrees above zero. Write an inequality that shows the relationship between those two temperatures.
What is -9 < 15 or 15 > -9.
Write an expression for 8 subtracted from x plus 10.
x - 8 + 10
Use the set of data to find the mean and the median.
3, 9, 8, 1, 4
What is 4 (median) and 5 (mean)
1, 3, 4, 8, 9
1+ 3 + 4 + 8 + 9 = 25
25 ÷ 5 = 5
Write true or false if the substitution makes the inequality true or false.
52x + 3 < 100
when x = 2
What is false.
52 (2) + 3 < 100
104 + 3 < 100
107 < 100
25 = _____
What is 32.
25 = 2 x 2 x 2 x 2 x 2 = 32
The temperature on Monday was 15 degrees below zero. The temperature on Tuesday was 5 degrees above zero. Write an inequality that shows the relationship between those two temperatures.
What is - 15 < 5 or 5 > -15.