Place Value & Rounding
In the number 4,207 which digit is in the tens place?
The zero (0).
Why was 6 afraid of 7?
Because 7 8 9!
What does the denominator of a fraction tell us?
How many pieces make up 1 whole.
What formula can we use to find the perimeter of a rectangle?
P = L + W + L + W
or
P = 2L + 2W
What do we call an angle that is exactly 90o?
A right angle
Round 231 to the nearest hundred.
200
What is 193 - 31?
162
What is Mr. Malone's first name?
Mister!
What formula can we use to find the area of a rectangle?
A = L x W
Why are math books often depressed?
Because they have so many problems!
In the number 56.78 which digit is in the tenths place?
The seven (7)
What is 42 x 5?
210
3/7 + 3/7 = ?
6/7
A rectangle has a length of 6 inches and a width of 9 inches. What is the perimeter of the rectangle?
P = 30 inches
Two angles add up to 90o. One of the angles is 40o. How much is the second angle?
90o - 40o = 50o
Round 81,023 to the nearest ten thousand.
80,000
What is 208 divided by 8?
26
3 3/7 - 1 1/7 =
2 2/7
What do you call a friend who likes math?
An algeBRO!
I have a 180o and know that one part of it is 85o. How much is the rest of the angle?
180o - 85o = 95o
How do you make a tissue dance?
Put a little boogie in it!
What is 152 divided by 3? Write your quotient as a mixed number.
50 R2
What is 4 5/6 + 2 2/3?
2/3 = 4/6 so
4 5/6 + 2 4/6 = (4+2) + (5/6 + 4/6)
= 6 + 9/6
9/6 = 1 3/6 so
6 + 1 + 3/6 = 7 3/6 or 7 1/2
A = 36 ft2 or 36 square feet
I combined a 35o angle with a 55o angle. What do we call the combined angles?
A right angle (or a 90o angle).