Equations #1
Write an equation for the following:
Joey packed b boxes with 4 ornaments in each box. If there were 36 ornaments, what number sentence would be used to find out how many boxes Joey packed?
a.) b + 36 = 4
b.) b - 4 = 36
c.) 36 x 4 = b
d.) 4 x b = 36
d.) 4 x b = 36
True or false:
Expressions have an equals sign (=)
False!
"36 divided by p is 4"
36/p = 4
What is an unknown value known as?
Variable
DAILY DOUBLE:
Solve using PEMDAS:
2 + (36 x 4) = ?
146
Write an equation for the following:
Tina has 5 more yellow flowers in her collection than blue flowers. If b represents the number of blue flowers in Tina's collection, which can be used to determine the number of yellow flowers in her collection?
a.) b - 5 = ?
b.) b x 5 = ?
c.) b + 5 = ?
d.) b/5 = ?
"some number more than 7"
7 + n
OR
n + 7
"a number less than 10"
10 - x
Write an expression to represent "4 times a number"
4n
Multiply:
1.23 x 0.64 =
0.7872
Write an equation for the following:
On Monday, Kathy read for s minutes. On Tuesday, she read twice as much. Which number sentence could be used to show the amount of time that she read on Tuesday?
a.) 2 - s = ?
b.) s/2 = ?
c.) s+2 = ?
d.) s x 2 = ?
d.) s x 2 = ?
"the number of pie slices each person would receive if the pie was shared by 5 people"
p/5
Write an equation for the following:
"The quotient of some number and 36 is 12"
v ➗ 36 =12
Write an expression to represent "20 less than a number"
d - 20
Divide:
1.65 divided by 1.2 =
1.375
Write an equation for the following:
Terri ate 3 fewer pretzels than Susan. If p represents the number of pretzels Susan ate, which could be used to determine the number of pretzels Terri ate?
a.) p/3 =?
b.) p x 3 =?
c.) p + 3 =?
d.) p - 3 =?
d.) p - 3 =?
Write an equation for the following:
"Becky spent s dollars on a purse. She gave the cashier a $50 bill and got $3 in change. How much money did Becky spend on the purse?"
50 - s = 3
Write an equation for the following:
Bob worked 5 times as many hours as Bobette. Bob worked a total of 50 hours.
5b = 50
Write an expression for the following:
"the number of crayons each person would receive if the full box of crayons was shared by 6 people"
c / 6
List 5 prime numbers.
answers will vary.
DAILY DOUBLE
Write an equation for the following:
Bill had 74 baseball cards. He gave away x amount to his brother. There are 32 cards left.
74 - x = 32
DAILY DOUBLE
Write an expression to show "18 + x = 25
answers will vary.
Write an equation for the following:
Bob had $75 when he went to the store. He bought a new iPod. He now has $5.
75 - x = 5
Write an expression that represents "some number more than 4"
4 + n
OR
n + 4
3.4 x 6.5 = ?
22.1