RICE
ROUNDING
KEYWORDS
ESTIMATION
BIG GOAL
100
What do you do for the R letter in RICE?
Restate what I know and what I want to know
100
Round 5,501 to the nearest thousand.
6,000
100
What operation should we use to solve the following problem? How do you know? Aniya has 11 bonus chrome and Deora has 9. Aniya gives Deora 3 bonus chrome. How much bonus chrome does Aniya have left?
We should use subtraction because the key words "gives" and "left" suggest we should subtract.
100
What are TWO key words that mean you need to ROUND in a problem?
Estimate, About, Approximately, Generally
100
What is our Big Goal for percent mastery of objectives?
Class 80% mastery of objectives
200
What would you write in the "Initiate" box for the problem below? Penn has 32 students, DU has 31 students, Cornell has 32 students, UCCS has 34 students, and CSU has 29 students. How many students are there altogether?
Write the keyword altogether and/or draw a picture/model of all the students being combined together and/or write a number sentence
200
What is 7,899 rounded to the nearest tens?
7,900
200
What operation should we use to solve the following problem? How do you know? The math department at Atlas Prep have a total of 125 white boards. Mr. Cady, Ms. Zarzuela, and Ms. Kochman each need to use white boards for their classes. How many whiteboards do they each get to use if they split the white boards evenly?
We should use division because the keywords "each" and "split evenly" suggest that we should divide.
200
Estimate the sum of 27 and 85 to the nearest ten.
27 + 85 Rounding to the nearest ten: 30 + 90 30 + 90 = 120
200
Why is our big goal important?
There is not just one correct answer, but all answers must be well-reasoned to earn the 200 points.
300
What would you write in the "Calculate" box for the problem below? Penn has 32 students, DU has 31 students, Cornell has 32 students, UCCS has 34 students, and CSU has 29 students. How many students are there altogether?
32 + 31 + 32 + 34 + 29 = 158. There are 158 students altogether.
300
What is 543,210 rounded to the nearest hundred thousand?
500,000
300
Solve the following problem: Aniya has 28 bonus chrome at the end of the week and Deora has 19. How much more bonus chrome does Aniya have that Deora?
28-19= 9 more bonus chrome
300
Estimate the difference of 9,044 and 7,890 to the nearest thousand.
9,044-7,890 is approximately 1,000 (9,000-8,000=1,000)
300
As a class, what is our goal for objective mastery on tomorrow's test?
80% or higher
400
What would you write in the "Explain" box for the problem below? Penn has 32 students, DU has 31 students, Cornell has 32 students, UCCS has 34 students, and CSU has 29 students. How many students are there altogether?
I added. I did this because of the keyword "altogether."
400
What is 7,999,991 rounded to the nearest millions?
8,000,000
400
Think of 2 key words for subtraction and addition. You CANNOT use the key words: In all Total Left Spent
Possible answers for subtraction: difference, how many more, how much more, take away, spent, decrease, lose, fewer than, Possible answers for addition: sum, altogether, combined, increased by, added to
400
Estimate 782 x 899 to the nearest hundred.
800 x 900 = 720,000
400
What is one thing you can do to make sure that your college gets to first place in the Megna Cup?
Study tonight and work hard in class so that we can master all the objectives on the test so we beat the other colleges.
500
What types of problems do we use RICE for in MPS? Discuss, and SLANT when you are finished.
We use RICE to help us solve word problems.
500
What is 3 rounded to the nearest ten?
0
500
With your partner, think of 2 key words for multiplication and division. You CANNOT use the key words: Times Multiplied Product Divided By
Multiplication: per, each, every, at this rate, twice Division: shared evenly, split, equal pieces, per
500
Jaylyn had $8,899,210 in income, but he owes a friend $1,599,128. What is the total amount that Jaylyn will have left after he pays his friend? Estimate to the nearest million.
$9,000,000 - $2,000,000 = $7,000,000 Jaylyn approximately $7,000,000 left.
500
Why do we work hard?
To get smart, and achieve our goal of 80% mastery.
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