unit 6
Morgan has $120. He spent half of his money on books. If each book is $15, how many books can he buy?
half of $120 is $60
$60 = 15 + 15 + 15 + 15, so he can buy 4 books
Rewrite these fractions with a common denominator
1/3 and 2/9
3/9 and 2/9
50 x (6+4)
500
What is the largest planet in our solar system?
Jupiter
How many oceans are on Earth?
Five: The Pacific, Atlantic, Indian, Arctic, and Southern Oceans.
if 12 cans of dog food costs $9.50, how much is 6 cans?
$4.75
In this number, what is in the hundredths place?
1.243
2
3 x (11+1)
36
How do butterflies taste their food?
With their feet! They have taste sensors on their legs
Which river is the longest in the world?
The Nile River in Africa.
The perimeter of a rectangle is 72 feet. One of the dimensions is 30 feet. What is the dimension of the other side?
If one side is 30, that means another side is also 30. Therefore, we need 12 more feet. 12 feet split among the two remaining sides means the missing dimension is 6 feet.
Solve 28 x 8 using partial product
20 x 8 = 160
8 x 8 = 64
28 x 8 = 224
34
What fruit do raisins come from?
Grapes
Who was the first president of the United States?
George Washington.
Tell whether these numbers are prime or composite:
26, 46, 97, 121
26= composite, 46=composite, 97=prime, 121=composite
Solve using standard algorithm:
23 x 56
1,288
10 + 8 + (5 + 4)
27
Which Disney princess has a pet tiger named Rajah?
Jasmine (Aladdin)
Which ancient civilization built the Great Pyramids?
The ancient Egyptians
29 x 17 = (30 x 17) - (? x 17)
29 x 17 = (30 x 17) - (1 x 17)
Solve with standard algorithm
234 x 32
7,488
3 x 11 + (2 + 5)
40
Whose nose grew longer every time he told a lie?
Pinocchio
In which U.S. state is the Grand Canyon located?
Arizona