Number Sense
What is the mathematical definition of the word, difference
The answer to a subtraction problem
What is the opposite of 15?
-15
Mrs. Laubert went berry picking. She picked 5 lbs of blueberries and 3 lbs of raspberries. What is the ratio, in lbs of raspberries to blueberries? Write this 3 different ways.
3:5 3 to 5 3/5
In the expression below, what would you solve first?
7 + 3 * 24 - 6
The exponent
A square has a side that measures 4 cm. What is the perimeter of this square?
16 cm
What is a mixed number?
A combination of a whole number and a fraction ex) 4 1/2
What is the absolute value of 243?
243
Write a ratio that is in proportion (equivalent) to 5/20
10/40 or 15/ 60 or 20/80 or 1/4 ect...
72 = ?
49
A rectangle has a length of 3 inches and a width of 10 inches. What is the area of this rectangle?
30 inches2
What is the LCM of 4 and 7?
28
What integer would represent a loss of 12 yards?
-12
Is 24/32 equivalent (in proportion) to 3/4? How do you know?
yes divide: because 24 divided by 32 = 0.75 and 3 divided by 4 = 0.75..... or cross product: 32 x 3 = 96 and 4 x 24 = 96...... or like equivalent fractions: 32 divided by 8 = 4 and 24 divided by 8 = 3
Write an expression that shows 13 fewer than 8 times 12
8 * 12 -13
What is the formula for finding volume of a rectangular prism?
l*w*h
What is the GCF of 8 and 12
4
What integer represents sea level?
0
Solve for x: 35/8 = 64/x
Round to the nearest hundredths
14.63
Solve: 6 - 2 + 5 * 23 =
44
How do you find the area of a triangle?
1/2 bh or bh divided by 2
What is a prime number?
A number that only has 2 factors- 1 and itself
ex) 7 is prime because the only way to get a 7 is 1x7
What quadrant would (-3, 4) land in?
Quadrant 2
It cost $3.18 for 13 airheads. What is the unit rate, or cost PER airhead?
Remember to round to the hundredths place when dealing with money
0.24
Solve for j:
15 - j = 11
j = 4
A triangle has a base of 20cm and a height of 5cm. What is the area of this triangle?
50cm2