Translate Expressions AR.2.1
Translate the expression into a written expression.
5(9+3)
5 times the sum of 9 and 3.
Solve:
5-10 ÷ 5 + (2 x 3)
Answer: 9
Solve each side of the equation and tell if the equation is True or False.
2/10 = 1/5
True
Alejandro reads 25 pages of a novel per day for 7 days. The entire novel is 251 pages, how many pages does he have left to read?
76 pages
How many minutes are in 1 week?
1,080 minutes
Write the expression for 4 and five tenths plus the product of 3 and 2?
4.5 + (3x2)
Solve: 62 - 8 x 4 + 3 - (18 ÷ 9)
62 - 8 x 4 + 3 - (18 ÷ 9)
62 - 8 x 4 + 3 - 2
62 - 32 + 3 - 2
30 + 3 - 2
33-2
31
Three cookies shared among 5 friends is equivalent to 3/5.
True
There is a total of 85 chocolate doughnuts and 77 strawberry doughnuts in 18 boxes. Each box has d doughnuts. Create an equation using d that represents the number of doughnuts in each box.
d x 18=85 + 77
A recipe requires 24 ounces of milk. Edwin has only a ½ cup measuring cup. How many measuring cups of milk will Edwin need?
a. 6
b. 12
c. 18
d. 24
answer: 6
translate the written expression for Divide the difference of 20 and 5 by the sum of 4 and 1.
(20-5) ÷ (4+1)
Insert one set of parentheses around two numbers in the expression below. Then evaluate the expression.
40 ÷ 5 x 2 + 6
40 ÷ (5x2) + 4 =8
or
40 ÷ 5(2+4) = 48
(3 + 1) x 2 = 16 ÷ 2
8 = 8 True
Write an equation to represent the following problem:
Elijah reads 25 pages of a novel per day for 7 days. The entire novel is 230 pages, how many pages does he have left to read?
25 x 7 + p = 230
Michael is measuring fabric for the costumes of a school play. He needs 11.5 meters of fabric. He has 280 centimeters of fabric. How many more centimeters of fabric does he need?
870 cm
Translate the numerical expression below into a written mathematical description.
2(53.8 + 4 - 22.9)
Two equations below are very similar. Are both equations true? Why or why not?
Equation One: 4 x 6 + 3 x 2 + 4 = 34
Equation two: 4 x (6 + 3 x 2 + 4) = 64
yes, the order of operations changes due to the parenthesis.
1). 24 + 6 + 4 = 34
2). 4 x 16 + 64
P E M/D A/S
18 ÷ (1.5 x 2) = (18 ÷ 2) + 3
6 and 12 are not equal
False
Renaldo read the same number of pages of his book each day for 8 days. He needs to read a total of 315 pages, and still needs to read 155 pages to meet his goal. How many pages did he read on each of the 8 days so far
(8 x n) + 155 = 315 – 155
Zevah is helping her mom plan her sister’s surprise birthday party. The recipe to make one bowl of punch is shown below. How many cups of punch will they be able to serve at the party if they only make one bowl of punch and there is no punch leftover in the bowl?
Liquid Fluid Ounces
Pineapple Juice 32 oz
Fruit Punch 64oz
Ginger Ale 76oz
172 oz = 21.5 c
2 times the quantity of 53 and eight tenths plus 4 minus 22 and nine tenths.
Translate the written mathematical description into a numerical expression. "one half the difference of 6 and 8 hundredths and 2"
1/2(6.8 - 2)
What is the value of the numerical expression below:
(2.45 + 3.05) ÷ (7.15 - 2.15)
1.1
Which best explains: 13.8 - 6 + 3 = 4 x 1.2 ?
a) This equation is true because both sides of the equation are equal to 4.8.
b)This equation is true because both sides of the equation are equal to 10.8.
c) This equation is false because both sides of the equation are equal to 4.8.
d) This equation is false be both sides of the equation are unequal.
Answer: d) This equation is false because both sides of the equation are unequal.
Which of the equations can be used to solve the problem below?
To celebrate reaching their monthly reading goal, Dr. Ocasio’s class has a cookie party. Dr. Ocasio buys a box of 96 cookies. She plans to give the same number to each of the 21 students in her class. She wants 12 remaining to bring home for her children. What is the greatest number of cookies each of Dr. Ocasio’s students can receive?
a. 96 – 21 – 12 = 𝑐
b. 96 − (21 × 𝑐) = 12
c. 12 + 𝑐 = 96 − 21
d. 21 × 𝑐 + 12 = 96
Answer: d. 21 × 𝑐 + 12 = 96
At the party, Zevah wants each balloon to have a string that is 250 centimeters long. The string she wants to buy comes in rolls of 30 meters. How many rolls of string does Zevah need to buy if she plans to have 36 balloons at the party?
Answer: 3
250cm x 36 = 9,000cm
9,000 cm = 90 m