1.1 & 1.2
Write in expanded form: 349
300+40+9
Write the correct inequality. 2.46 ___ 2.51
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Name a strategy for remembering the difference between numerator and denominator.
A song, d in denominator = d in down low
Use common denominators to determine which is greater. 3/5 or 4/7
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Give an example of an improper fraction.
Any fraction where the numerator is larger than the denominator.
Does the following show a one-to-one correspondence? {a, b, c}, {2, 4, 6, 8}
No
Make a math drawing that represents that 2.34 > 1.81
2.34 would include 2 large blocks compared to 1 large block for 1.81
Plot 3/5 on a number line.
Include 1/5 through 1 (5/5).
Use common numerators to determine which fraction is greater: 5/7 or 2/9
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What is the definition of rounding?
Replacing a number with an approximate value that is shorter and simpler
Draw a number line that represents 5.6 to 5.7 using hundredths.
Includes 5.61 to 5.67
Round 12, 436 to the nearest ten, hundred, and thousand.
12, 440; 12, 400; 12,000
Get a common denominator; plot 1/10 through 1 (10/10)
Make a math drawing that represents 85%
5 sections, 4 filled in all the way, the last one filled in 1/4 of the way
Why is the base-ten system so incredible?
Before that they used tick marks or roman numerals. No universal number system that worked for all numbers.
Use a math drawing to represent 3.14
3 large squares, 1 tenth bar, 4 small hundredth squares
Round 0.3645 to the nearest tenth, hundredth, and thousandth.
0.4; 0.36; 0.365
Write in simplest form: 108/135
12/15
Larry paid $7.56 in tax on his purchase of a $98 item. What percentage tax did he pay? Solve using algebra.
7.71%
What is the difference between whole numbers and integers?
Integers include negative numbers
Sally says that the 5 in 256 represents 5 groups of 5 items? Is this correct? How could you explain this to Sally?
The 5 represents 50 which is 5 groups of 10. Could use a math drawing to represent this.
The population of Marietta is described as 13,000. Should you assume that is the exact population? If not, what could the population possibly be?
12,500 to 13,499
Plot 2/3 on a number line that already includes 1/5 without first plotting 1.
Get a common denominator: plot 1/15 through 1 (15/15)
Use a percent table to calculate 7% of 56.
100% = 56
1 % = .56
.56 * 7 = 3.92
7% = 3.92
Why are math drawings so helpful when teaching math concepts?
They are a great visual to help break concepts down.