Unit 1
Is 9 prime or composite? Why?
COMPOSITE!
Has more factors other than 1 and itself; 3x3=9
How would you solve 4x12 using the double and half stategy?
4x12
double 12, half 4
new equation: 2 x 24 = 48
what is 1/2 + 1/4
3/4
solve 36 + 99 with give and take
give one from the 36 to 99
now, we have 100 + 35
135
Is a triangle a polygon?
YES
Ms. Fennelly bought Tessie a dog toy for $11. The dog toy for Arlo cost 3 times as much. How much did Ms. Fennelly spend in total?
$44
$11 + $33 = $44
how many milliliters are in one liter?
1,000
What is 0.01 as a fraction?
1/100
Write this number in word form: 1,283
Define the following: Acute angle, obtuse angle, right angle
Acute is less than 90 degrees and greater than zero. Obtuse is greater than 90 but less than 180. A right angle is always 90 degrees exactly.
List all the factors and multiples for 11
Factors: 11 and 1
Multiples: 11, 22, 33, 44, etc
If I have 5 quarters, 8 nickels, and 4 pennies, how much money do I have?
$1.69
Brian says 4/16 is equal to 1/4. Liz says that 4/16 is equal to 2/8. Who's right?
They're both right!
Put this number in extended form: 9,345
9,000 + 300 + 40 + 5
What is a quadrilateral?
A polygon with 4 sides
Raven bought a dress and a sweater. The dress cost 2 times as much as the sweater. The sweater was $19. How much was the dress?
$38
Maggie has 15 chickens, each chicken lays 24 eggs a month. How many eggs in total does Maggie have at the end of the month?
360 eggs
what is 12/12 + 1/4?
1 and 1/4
Round 64, 347 to the nearest hundred
64,300
How many degrees are in a straight angle?
180
George bought a video game and a DVD. The video game cost $36. The DVD cost $9. How many times more than the DVD did the video game cost?
the video game cost 4 times more
Ms. Fennelly is apple picking. She has 15 baskets with 28 apples in each basket. How many apples do I have in all?
420 apples
put the following decimals into fractions:
2.45, 2.3, 8.9
2 and 45/100
2 and 30/100 or 2 and 3/10
8 and 90/100 or 8 and 9/10
Round to the nearest tenth: 376.35
376.4
Define a polygon
A two dimensional shape that is closed with no curved sides.