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Comparing Numbers
Powers of 10
Multiplication and Division
Addition and Subtraction
Rounding
100
2 tenths + 11 hundredths _______ 0.13
0.31 > 0.13
100
Make a Place Value Chart and show the shift in the digits for the problem 4.5 times 10 to the power of 3
Mr. Hickman will check answers.
100
Define the terms "product" and "quotient"
Product: the answer to a multiplication problem Quotient: the answer to a division problem
100
Define the terms "sum" and "difference"
Sum: the answer to an addition problem Difference: the answer to a subtraction problem.
100
Round 34.69 to the nearest tenths place
34.7
200
13 tenths + 8 tenths + 32 hundredths ______ 2.42
They are = to each other
200
Make a Place Value Chart and show the shift in the digits for the problem 4.5 divided by 10 to the power of 3
Mr. Hickman will check answers.
200
What is the product of 10.5 and 4?
42
200
What is the difference between 34.01 and 32.98?
1.03
200
Myla says that when you are rounding 54.689 to the nearest tenths place you will get 54.789. Is she correct? Why or why not?
She is incorrect because she forgot to decompose her numbers after the tenths place.
300
342 hundredths + 7 tenths ______ 3 + 49 hundredths
342 hundredths + 7 tenths (4.12)
300
Convert 4 g to mg
4,000 mg
300
Dr. Mann mixed 10.357 g of chemical A, 12.062 g of chemical B, and 7.506 g of chemical C to make 5 doses of medicine. How much is in 1 dose of medicine?
5.985 g
300
What is the difference between 10 to the power of 7 minus 10 to the power of 5?
9,900,000
300
Round 5.985 grams to the nearest gram.
6 grams
400
2 + 31 × .1 + 14 × .01 _______ 2.324
2 + 31 × .1 + 14 × .01 (5.24)
400
Complete the problem 0.3 divided by ten to the power of 2. Describe the exact change in value of the 3.
The digit 3 starts in the tenths place and get 100 times smaller because we are dividing by 10 to the power of 2. Answer: 0.003
400
If Dr. Smith had 46.89 g of medicine to distribute to 4 different patients, how many g would each receive?
11.7225 g
400
What is the sum of 10 to the power of 2 and 10 to the power of 4?
10,100
400
Dr. Brown purchased 3 bottles of liquid medicine with 2.37 mL in each bottle. Round the total number of mL to the nearest tenth.
7.1 mL
500
0.3 × 10 to the power of 2 + 0.007 × 10 to the power of 3 OR 0.3 × 10 + 0.7 × 10 to the power of 2
37 < 73
500
The following equations involve different quantities and use different operations, yet produce the same result. Use a place value chart and words to explain why this is true 4.13 × 10 to the power of 3 = 4130 413,000 ÷ 10 to the power of 2 = 4130
Mr. Hickman will review answers for each group.
500
Use an area model to explain the product of 4.6 and 3. Write the product in standard form, word form, and expanded form.
13.8 thirteen and eight tenths 1 x 10 + 3 x 1 + 8 x .1
500
Dr. Mann mixed 10.357 g of chemical A, 12.062 g of chemical B, and 7.506 g of chemical C. How much medicine did he make in grams?
29.925 g
500
Dr. Bossman mixed 10.357 g of chemical A, 12.062 g of chemical B, and 7.506 g of chemical C. Round each dosage to the nearest tenth.
A: 10.4 B: 12.1 C: 7.5