Equations
Sonia measured the cover of the library book she was reading. The length was 10 inches and the width was 5 inches. Write an equation that represents how to find the area of her books cover. Use a for area.
5 x 10 = a
Sonia measured the cover of the library book she was reading. The length was 10 inches and the width was 5 inches.
The kids at the high school are having a monthlong car wash. They charge $6 to wash a car. If they wash 28 cars a day for 9 days, how much money will they make?
(28 x 6) x 9 = $1512
That's a lotta moolah!
At the end of the party, the kids broke open a pinata. When they scrambled for candy, Gabe got 5 pieces. Maria got 3 times as many pieces as Gabe. Which of the numbers described show how many pieces Maria got?
A. The sum of 5 and 3
B. The product of 5 and 3
C. The difference between 5 and 3
D. The quotient of 5 and 3
B. The product of 5 and 3
Gabe got 5 pieces. Maria got 3 times as many pieces as Gabe.
A rectangle has the dimensions of 3 ft and 8 ft.
Which equation shows how to find the perimeter of the rectangle?
A. 3 x 8 = 24 ft
B. (2 x 3) + 8 = 14 ft
C. (2 x 3) + (2 x 8) = 22 ft.
D. 4 + 8 = 12 ft.
C. (2 x 3) + (2 x 8) = 22 ft.
Dana has only nickels in her hand, and Ajah has exactly the same number of dimes and no other coins. Together they have 90 cents. How many coins is each person holding?
They each have 6 coins.
(6 x 5) + (6 x 10) = 90 cents
Dana has only nickels in her hand, and Ajah has exactly the same number of dimes and no other coins. Together they have 90 cents. How many coins is each person holding?
Jade by 155 seconds.
Oh snap! Pay attention to the units in the question folks. (Gotcha!)
Danny is trying to earn money to buy a new bike. His neighbor says he will pay him $4 an hour to help with yard work. His mom says she will give him a $10 bill to add to his savings after he helps his neighbor. Which expression shows how much Danny will make? (h stands for the number of hours Danny works)
A. 4 + h + 10
B. 4 x h + 10 x h
C. 4 x h + 10
D. 14 x h
C. 4 x h + 10
Danny is trying to earn money to buy a new bike. His neighbor says he will pay him $4 an hour to help with yard work. His mom says she will give him a $10 bill to add to his savings after he helps his neighbor. Which expression shows how much Danny will make? (h stands for the number of hours Danny works)
In December, the cafeteria served 972 breakfast sandwiches. During the first week in January, they served 486 breakfast sandwiches. During the second week of January they served 538 breakfast sandwiches. How many more breakfast sandwiches did they serve in the first two weeks of January than during the whole month of December?
(486+538) - 972 = 52 more sandwiches
Sarah, Rex and Peter are all friends. One of them lives in a red house, one lives in a blue house, and one lives in a green house. The person who lives in a green house has more than 3 letters in his name. The person who lives in a red house is not Rex. Which person lives in each house?
Green - Peter
Red -Sarah
Blue - Rex
The person who lives in a green house has more than 3 letters in his name (did you notice the "his?!). The person who lives in a red house is not Rex.
Fill in the blanks:
48 x 29 = (48 x 30) - (48 x ___)
1
Fill in the blanks:
48 x 29 = (48 x 30) - (48 x ___)
612 divided by 12 = 51 cm
Brendan needs to mail a 12-page letter to a friend in Texas. It costs $1.38 to mail all 12 sheets together. A 6-page letter costs 68 cents to mail. A 4 page letter costs 45 cents to mail. Envelopes cost 3 cents each. What is the least expensive way to mail his 12 pages?
Whoever came up with the cheapest way (including the cost of envelopes) wins.
All at once: $1.38 + 0.03 = $1.41