Operations and Algebraic Thinking
Write the expression using parentheses so that it simplifies to 28.
58 / 8 - 4 x 2
56 / (8-4) x 2
Henry ran a race in 24.382 seconds. How long did it take him to run, rounded to the nearest tenth of a second?
24.4 seconds
I want to make some chocolate chip cookies, which need 2 and 3/4 cups of flour. I also want to make sugar cookies, which need 2 and 1/5 cups of flour. How much flour do I need altogether?
4 and 19/20 cups of flour
6 friends share 3 oranges. What fraction of an orange does each friend get?
1/6 of an orange.
Mrs. Mayenschein needs 5 yards of red fabric for a blanket. She needs 4 feet less than twice that amount of yellow fabric. How many feet of yellow fabric does she need?
(5 x 3) = 15
15 x 2 = 30
30 - 4 = 26
What is the value of the expression?
(7.6 + 3) / 2
5.3
Sophia made 27 copies of a 15-page storybook. How many pages did Sophia copy in all?
27 x 15 = 405 copies
Two puppies weigh a total of 7/9 pound. If one kitten wears 1/6 pound, what is the weight of the other kitten?
7/9 - 1/6 = 11/18 pound
A rectangular book is 7 1/2 inches long and 7/8 inches wide (weird book!). What is the area of the book?
6 and 9/16 square inches.
A solid figure contains 15 cubes without any gaps or overlaps. What is the volume of the figure in cubic units?
15 cubic units
Write an expression to represent multiplying three times the sum of 4 and 7.
3 x (4+7)
A company is donating 4,270 cans of food to 5 local shelters. How many cans of food does each shelter receive? Write an equation and solve.
4,270 / 5 = 854 cans of food
Lucy did 32 chin ups. Madison did 3/4 as many chin ups as Lucy. Did Madison do more or less chin ups than Lucy? How many did Madison do?
32 x 3/4 = 24 chin ups
A rectangular garden has a width of 2 and 1/2 yards. The length of the garden is 3 yards. What is the area?
7 1/2 yards
Where would you find the coordinate (4,6) on a coordinate plane?
To the right 4 and up 6.
Write a number in which the digit 7 is ten times the value of the digit 7 in 9.357.
9.375
The height of one boy is 2.2 meters (WOW! He is tall) and the other boy is 1.6 meters. What is the difference in heights?
2.2 - 1.6 = 0.6 meters
Sara cuts a 4-foot rope into 1/4 foot pieces. How many pieces does he cut?
4 / (1/4) = 16 pieces
A farmer harvests 2/5 of 4 and 1/2 acres of plants. How many acres does the farmer harvest?
(2/5) * 4.5 = 1 and 8/10 acres
What figures always have two pairs of parallel sides?
Parallelogram, rhombus, rectangle square.
Write 354.92 in expanded form.
300 + 50 + 4 + 0.9 + 0.02
Mrs. Mayenschein paid $11.25 for some markers. She paid $0.75 for each marker. How many markers did she purchase?
11.25 / 0.75 = 15 markers
The walkway in front of the school has an area of 33 feet and a length of 12 feet. What is the width of the walkway? Write as a mixed number.
33/12 = 2.75 = 2 and 3/4
1/5 divided by 5. Write a problem that could be solved with this operation. Solve.
Explain a scalene triangle.
No sides are the same length.