Operations and Algebraic Thinking
Mike is 3 years old. His Uncle Joe is 7 times as old as Mike. How old is Uncle Joe? Give the equation and answer.
3 x 7 = 21. 21 years old.
Round 545,803 to the nearest 10, 10 and 1,000.
Ten: 545,800
Hundred: 545,800
Thousand: 546,000
Write a fraction that is equivalent to 4/10.
40/100
Which measurements are equivalent to 3,250 meters?
A. 325,000 cm
B. 32,500,000 ml
C. 32,500 cm
D. 3,250,000 cm
E. 325,00 ml
F. 3,250,000 ml
A.
This quadrilateral has two pairs of parallel sides and four right angles.
What is a rectangle?
Last year, 54 pounds of paper were recycled. This year, 6 times as many pounds of paper were recycled as last year. Which equation can be used to find n, the number of pounds recycled this year?
6 x 54 = n
What is the value of 3,605 x 8?
3,605 x 8 = 28,840
Mia's family has an orchard with fruit trees. Of those fruit trees 6/10 are apple trees. How many hundredths is equivalent to 6/10?
60/100
Sam cut 3/4 inch off a piece of ribbon that was 2 inches long. Draw and label a number line. Then place a point on the line to show the length, in inches, of the remaining ribbon.
Number line drawn showing 3/4 gone and 1 1/4 remaining.
This triangle has all sides the same length and all angles the same size.
What is an equilateral triangle?
Show an equation that represents 161 is 7 times as many as 23.
23 x 7 = 161
The product of 60 and 90 is 5,400. How will the product change using the expression shown?
5 tens and 9 ones x 90
The product will decrease by 90.
Compare the two numbers below.
1.32 ____ 1.29
1.32 > 1.29
The area of the rectangular sandbox at Dave's school is 108 square feet. The sandbox has a width of 9 feet. What is the length, in feet, of the sandbox?
12 feet
This type of angle measures less than 90 degrees.
What is an acute angle?
In one year, Janie sent 4,368 text messages. Tanner sent 4 times as many text messages as Janie. How many more text messages did Tanner send than Janie?
4,368 x 4 =17,472 17,472 - 4,368 = 13,104. Tanner sent 13,104 more text messages than Janie.
When 713 is divided by 7, the remainder is 6. Use multiplication to explain why this is true.
713 ÷ 7 =101.857 101 R 6
101 x 7 =707
713 - 707= 6
When 713 is divided by 7, we get 101 full groups of 7, which equals 707. Since 713 is 6 more than 707, the remainder is 6. So:
713=(101×7)+6
Jasmine ate 1/4 of a pie. Which fraction is equivalent to the fraction of pie that Jasmine ate?
A. 2/5
B. 3/6
C. 2/8
D. 1/12
C. 2/8
A pitcher contains 2 liters of juice. A glass is filled with 180 milliliters of juice from the pitcher. How many milliliters of juice are left in the pitchers after filling the glass?
1,820 milliliters of juice are left in the pitcher.
This figure has only one line of symmetry and three sides.
What is an isosceles triangle?
A group pf 90 people went on a trip to a state park. Once the group arrived, 10 people from the group went on a walk. The remaining people in the group wanted to go canoeing. Each canoe held 3 people. Write and solve an equation to show the number of canoes the group needed.
90 - 10 = 80. 80 ÷ 3 = 26 R 2 There are 27 canoes needed.
What is 1,962 divided by 5?
392 R 2
Jason, John, Kendra and Dana ate one full pizza altogether. Jason ate 3/12 of the pizza, and John and Kendra each ate 2/12 of the pizza. How much pizza did Dana eat?
5/12
Company K makes key cards that can be used to open doors instead of using keys. Company K is reviewing samples of a rectangular shape for a new key card. They want the new key card to have a perimeter of 11 inches. Select two key card samples that have a perimeter of 11 inches.
Sample 1: Length - 3 3/38in. Width - 2 1/8 in.
Sample 2: Length - 3 1/2in. Width - 2 in.
Sample 3: Length - 3 in. Width - 2 1/8 in.
Sample 4: Length - 3 7/8 in. Width - 2 4/8 in.
Sample 1 and 2
This shape has no lines of symmetry and only one pair of parallel sides.
hat is a trapezoid?