Free Printable What we've learned in week 12

1.

Subtract the two fractions on paper. Then, choose the right answer.

3\frac{7}{8}

-

2\frac{3}{8}

=

a)

$\frac{14}{8}$

b)

$1\frac{4}{8}$

c)

$1\frac{6}{8}$

d)

$\frac{4}{8}$

2.

$4\frac{2}{8}$ - $2\frac{4}{8}$ =

Subtract the two fractions in paper. Then, choose the right answer. Be careful this time!!!!

a)

$1\frac{6}{8}$

b)

$2\frac{2}{8}$

c)

$1\frac{5}{8}$

d)

$\frac{3}{8}$

3.

0.02 x 0.1=

Do you remember how to multiply by a negative power of 10?

a)

0.2

b)

2

c)

20

d)

0.002

4.

In a command economy...

a)

People are free to choice from a variety of products.

b)

All businesses belong to the government

c)

Children often do the same work as their parents

5.

If a lot of strawberries are available for people to buy, that means that...

a)

demand is high

b)

supply is high

c)

supply is low

6.

A year ago, there were 12 companies that made motorized scooters. But over the past month, 5 of those companies went out of business. What probably happened to the overall supply of motorized scooters?

a)

Supply went up

b)

Supply went down

7.

A drought has made this year's tomato harvest smaller than usual. What will probably happen to the price of tomatoes since the supply is lower?

a)

The price will go up

b)

The price will go down

8.

Amazon is selling Smencils. There are only a few packs left and they are very popular. Since there are not a lot of them available, this is called...

a)

inflation

b)

recession

c)

supply

d)

scarcity

9.

Physical items that you can touch and see are called:

a)

Goods

b)

Services

c)

Needs

d)

Wants

10.

The thermal energy from the cup is transferred to my hands. This is an example of...

a)

transformation of energy

b)

transfer of energy

11.

Which of the following is NOT a fossil fuel?

a)

coal

b)

oil

c)

wind

d)

gas

12.

Fossil fuels have this form of energy stored in them.

a)

Electrical energy

b)

Chemical energy

c)

Thermal energy

d)

Kinetic Energy

13.

Which of the following is WASTED output energy when using this device?

a)

Kinetic energy

b)

Sound energy

c)

Light Energy

d)

Chemical energy

14.

What is the INPUT energy in this example?

a)

Kinetic energy

b)

Heat energy

c)

Sound energy

d)

Chemical energy

15.

In a wind turbine, the_________of the kind is turned into electricity.

a)

chemical energy

b)

potential energy

c)

kinetic energy

d)

light energy

16.

Is the apostrophe in the example used correctly?

a)

Yes

b)

No

17.

What is the LCM of 5 and 15?

a)

45

b)

60

c)

15

d)

5

18.

In which hemisphere can the USA be found? Tick all that apply (2).

a)

Eastern

b)

Western

c)

Southern

d)

Northern

19.

The lines of_______circle the Earth from Pole to Pole.

a)

latitude

b)

longitude

20.

Which fraction rounds to 2?

a)

$1\frac{1}{4}$

b)

$2\frac{1}{2}$

c)

$2\frac{2}{9}$

d)

$1\frac{4}{9}$

21.

Which fraction rounds to 9?

a)

$9\frac{5}{10}$

b)

$8\frac{8}{9}$

c)

$8\frac{2}{5}$

d)

$9\frac{9}{16}$

What we've learned in week 12

Total questions: 21

Worksheet time: 11mins

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