Electrifying Expressions
Which of the following shows an expression that shows "four less than the quotient of 20 and 5"? Choose all that apply.
A. 4-20÷ 5
B. 4-(20÷ 5)
C. 20÷5 – 4
D. (20÷5)- 4
C and D
Kylie has 1/4 of a pizza left from last night. She splits it evenly between her two little sisters. How much of a whole pizza does each sister get?
1/8 of a pizza.
Round this number to the tenths place:
0.493
0.5
Which of the following strategies is for dividing decimals and which is for multiplying decimals?
A) Ignore the decimals and annotate place value, adding in the place value of the answer at the end.
B) Create an equivalent expression to solve with one of the numbers needing to be a whole.
A) Multiply
B) Divide
Bonus: In dividing decimals, which number needs to be a whole and which can stay a decimal?
List the following in order from smallest size measurement to greatest size.
Cups, Gallons, Quarts, Ounces, Pints.
Ounces, Cups, Pints, Quarts, Gallons.
Write the following expression in words:
(45 ÷ 9) + 4
Forty five divided by nine, plus four.
Four more than the quotient of forty five and nine.
Four more than forty five divided by nine.
The quotient of forty five and nine, increased by four.
Forty five divided by nine, increased by 4.
Hallie has 6 friends at her birthday party. She gives each of them a slice of cake that is one eighth of the cake. How much of a whole cake did she give to her friends?
Q: What operation is this? Name the G,GS,T.
Multiplication. G=6 friends. GS= 1/8 cake.
Round this number to the thousandths place:
1,742.8734
1,742.873
Solve:
18.695 - 2.096 + 5.19
21.789
Choose the best estimate of the height of the doc cam:
A) 3 quarts
B) 16 inches
C) 1 yard
D) 2 feet
C) 1 yard
Write an expression to solve the following problem. Do not solve.
Nicholas worked for 5 hours and earned $10 per hour. He then bought a book for $8. How much does Nicholas have left?
(5 x 10) - 8
5 x 10 - 8
Molly ran 12 1/2 miles to prepare for her next marathon. Jocelyn ran 2/3 as far as Molly. How far did Jocelyn run?
8 2/6 miles
or
8 1/3 miles
Round 16.962 to the tenths place.
17
Joshua babysits for 4 hours at $9.50 per hour. How much money does he earn?
$38
Convert the following to pints:
5 gallons and 2 pints.
42 pints.
Which of the following equations is true?
A) 123 × 101 = 12,300
B) 61.3 × 102 = 6,130
C) 1.48 ÷ 103 = 0.0148
D) 8 ÷ 102 = 0.8
B
Solve BOTH of the following problems. Include units.
1) An ice cream shop uses 4 pints of ice cream to make 5 sundaes. How many pints of ice cream are used for each sundae?
2) An ice cream shop makes 4 identical sundaes using 5 bananas. How many bananas are used in each sundae?
1) 4/5 of a pint of ice cream in each sundae.
2) 1 1/4 bananas in each sundae.
If you round to the TENTHS place, which of the following does NOT round to 4.3?
A) 4.347
B) 4.292
C) 4.351
D) 4.308
C
Lisandra makes 4 cups of banana muffin batter. She puts 0.25 cups of batter in each muffin tin. How many muffin tins will she use?
16 muffin tins.
Kyra walked 2 1/4 miles. How many feet did she walk?
12,320 feet.
Create 3 equivalent expressions for the following.
92.6 ÷ 30.402
926 ÷ 304.02
9,260 ÷ 3,040.2
92,600 ÷ 30,402
She used 5 5/8 pounds of flour.
If rounding to the hundredths place, which of the following is INCORRECT?
A) 13.4846 --> 13.48
B) 0.29637 --> 0.29
C) 7.297 --> 7.3
C) 0.5924 --> 0.59
B
Ms. Weisinger is building herself a new wardrobe. She buys a 10.5 foot plank of wood. She uses 5.2 feet of wood to make the sides, and 1.7 feet to make the top and bottom. She splits up the remaining wood to make 6 equally sized tiny shelves. How much wood does she use per shelf? Include units.
0.6 of a foot per shelf.
In which practice run did he run further? How much farther did he run?
He ran 6 inches farther in the second run.