Additive 1
What is the value of X?
X + (-2) = -1
X = 1
What is the value of X?
X - 1 = -7
X = -6
What is the value of X?
3X = 15
X = 5
What is the value of X?
1/5X = 5
X = 25
Isabella used a gift card to buy a necklace for $30 and 2 bracelets for $7. The expression shown represents the total change in the balance of the gift card in dollars.
-30 + 2 (-7) =
-44
What is the value of X?
-3 + X = 2
X = 5
What is the value of X?
X - 26 = 5
X = 31
What is the value of X?
4x = -20
X = -5
What is the value of X?
X/2 = -4
X = -8
A weather station reported 0.05 inches of rain. What fraction is equivalent to 0.05 inches?
1/20 inches
X + 4 = -12
X = -16
What is the value of X?
X + (-17) = 6
X = 23
What is the value of X?
1/3X = 9
X = 27
What is the value of X?
1/4X = 12
X = 48
In a survey, 400 students were asked what their favorite sport is. The results showed that 160 students named soccer as their favorite sport. What percentage of the students' favorite sport is soccer?
40 %
Aidan ate six Starbursts. Together, he and his friend, Jack, ate a total of 13 Starbursts. How many Starbursts, x, did Jack eat?
X + 6 = 13
Jack ate 7 Starbursts.
It was very cold in Philadelphia on Monday. On Tuesday, the temperature dropped two degrees and was -3. What is, X, the temperature on Monday?
X - 2 = -3
X = -1
Sariah made batches of cupcakes for her friend's birthday party. Two-fifths of the batches were chocolate flavored. If 10 were chocolate. What is, X, the total number of batches she baked?
2/5X = 10
Sariah made 25 batches of cupcakes
What is the value of X?
2/5X = 9
X = 22.5
(53 - 131) (12)
= -72
Write the THREE steps we use when solving for X?
1. Draw the line of balance
2. Circle the letter
3. Opposite Operation
It was raining in Seattle on Thursday. On Friday, the rainfall decreased by 5 millimeters, and the total rainfall on Friday was 12 millimeters. What is, X, the rainfall on Thursday?
X - 5 = 12
X = 17
Kurt has 10 cups of lemonade in a pitcher. If he wants to give each person a half cup of lemonade, what is, X, the total number of people that will receive lemonade?
1/2X = 10
20 people received lemonade.
What are some misconceptions or mistakes that could happen when solving for X ?
Answers will vary...
What year was Hamilton Middle School built?
1992