Place Value
In the number 52,582, what is the value of each digit 5?
50,000 and 500
Find the sum: 3.4 + 2.5
5.9
Find the product: 128 × 4
512
To add 7/8 + 3/12, you would need to find a common denominator. What could that common denominator be?
Extra 200 points if you give a second option for a common denominator.
Common denominator: 24
Examples of other choices: 48, 72, 86
Look at the coordinate plane worksheet. What are the coordinates of the heart?
(10, 2)
Write 347.615 in expanded form.
300 + 40 + 7 + 6/10 + 1/100 + 5/1000 or
300 + 40 + 7 + 0.6 + 0.01 + 0.005
Find the difference: 8.72 − 3.41
5.31
Find the product: 246 × 38
9,348
2/3 + 1/6 =
5/6
Which object is located at (8,7)?
The airplane
Which number is greater: 4.503 or 4.35? Use place value to explain.
4.503
Ava has 4.75 meters of ribbon. She uses 2.68 meters. How much ribbon is left?
2.07 meters
A student used partial quotients to solve 864 ÷ 12 and got 82. Are they correct?
No, the answer is 72
4 1/5 - 2 3/5 =
1 3/5
What is the coordinate of the origin?
(0,0)
Round 6.748 to the nearest hundredth. Explain the steps in the process.
6.75
A student added 5.8 + 10.11 and got 10.69
Is this the correct solution? If not, tell what the correct answer is and what you think the student did wrong.
Incorrect. Correct answer is 15.91
Use the partial quotient strategy to solve: 672 ÷ 6
112
You subtracted two mixed numbers and got 2 3/6 as your answer. You are VERY CONFIDENT that the answer is correct, but you don't see it listed on your test choices. Which answer choice is your best option and why?
A. 2 2/3 because 3/6 simplifies to 2/3
B. 2 1/2 because 3/6 simplifies to 1/2
C. 2 6/3 because the numerator and denominator were switched
D. 2 1/3 because 3 goes into 6 two times
B. 2 1/2 is equivalent to 2 3/6
A triangle with 2 equal sides and all angles less than 90° is called a:
A. Scalene right
B. Isosceles acute
C. Equilateral obtuse
D. Isosceles obtuse
B. Isosceles acute
A student says 0.6, 0.60, and 0.600 are different numbers because they have a different number of digits. Do you agree? Use place-value reasoning to justify your answer.
They are equal because trailing zeros do not change the value. All represent six-tenths
A water tank held 25.6 liters of water. After some water was used, 8.75 liters were left. How much water was used?
Sam says the answer is 17.15. Is she correct? Why or why not?
A school ordered 38 boxes of pencils.
Each box has 246 pencils.
The pencils will be shared equally among 6 classrooms.
How many pencils will each classroom receive?
Step 1 – Multiply to find the total pencils
38 × 246 = 9,348 pencils
Step 2 – Divide to share them equally
9,348 ÷ 6 = 1,558 pencils per classroom
A recipe needs 2 1/4 cups of sugar. You already used 5/6 cup. How much more sugar is needed?
1 5/12 cups of sugar
A triangle with no equal sides and one angle greater than 90° is called a:
A. Scalene obtuse
B. Scalene acute
C. Isosceles obtuse
D. Equilateral acute
A. Scalene obtuse