add and subtract 1-step
12 + y = 15
y = 3
42 = -6m
m = -7
2x - 5 = 21
x = 13
5(x + 8) = 11
x = 47
Last Thursday, The Philadelphia 76ers played Miami Heat. Miami scored 102 points. This was 4 points less than the sixers. Write an equations to find out who won the game?
Equation: x - 4 = 102
76ers won scoring 106 points
b - 2 = 1
b = 3
2
-- d = 12
3
d = 18
12 = -8n - 4
-2
1/2(x - 3) = 5
x = 13
The average lifespan of a tiger is 17 years. This is 3 years more than the average lifespan of a lion. Write an equations to find the average lifespan of a lion.
L + 3 = 17
L = 14 years
-12 = 7 + w
w = -19
1.2n = 6
n = 5
1
9 + --- f = 16
2
f = 14
-4(2x - 9) = 12
x = 3
Dillion Deposited 3/4 of his paycheck into the bank. He deposited a total of $46.50 into his bank account. Write and solve an equation to determine how much his paycheck was.
Equation: 3/4 p = 46.50
paycheck: $62
-14 + a = 26
a = 40
k
--- = 5
-9
k = -45
A construction manager weighs a bundle of 9 identical bricks and a 7-pound concrete block. The bundle weighs 30 pounds.
Draw a tape diagram that matches the story.
x = 2.56 pounds
Noah and his sister are making gift bags for a birthday party. Noah puts 3 pencil erasers in each bag. His sister puts x stickers in each bag. After filling 4 bags, they have used a total of 44 items.
Draw a tape diagram to match the story
x = 8
a shark can swim at an average speed of 25 miles per hour. At this rate, how far can a shark swim in 2.4 hours? Use equation r = d/t
equation: 25 = d/2.4
answer: 60 miles
8 - m = 12
m = -4
-m
--- = 2
12
-24
Andre has a summer job selling chocolate. He sold 6 boxes of chocolate which earned him x dollars. Andre also earned $7 as a tip from one of the buyers. He earned $97 in total.
Draw a tape diagram to represent the story.
x = $15
Noah’s family bought some fruit bars to put in the gift bags. They bought one box each of four flavors: apple, strawberry, blueberry, and peach. The boxes all had the same number of bars. Noah wanted to taste the flavors and ate one bar from each box. There were 28 bars left for the gift bags.
Draw a tape diagram to match the story.
x = 8
24 students brought their permission slips to attend the class field trip to the local art museum. If this represents eight tenths of the class, how many total students are in the class? write an equation and solve.
Equation: 0.8x = 24
30 total students