Show:
Addends
Multiplication/Division
Decimal/Fractions
Electricity
Sound
100

9419 + 999

10,418

100
Seven Squared = 

49

100
  • What is 9% as a decimal?

.09

100

What is electricity?

The flow of electrical charges.

100

How does sound travel?

Through the vibrations of molecules. These vibrations cause sound waves and will keep going until they lose their energy.

200
  • Find the missing addend: 97 + n = 435

338

200

789 x 4 = 

3,156

200
  • How many seconds is 10% of a minute?

6 seconds

200

What does conductor mean?

Move electricity easily - copper

200

Can sound travel through liquid? Gas? Solids? or all of them?

All of them

300

Find t:   7t + 4 = 60

8

300

831 divided by 3

277

300

Write the fraction (1/10) and (1/5)  as a percent:

10% and 20%

300

What is an insulator?

Something that doesn't allow electricity to pass through.

300

What does pitch mean? Give examples

How high or low a sound is. 

High: Mouse squeak   Low: Lion roar

400
  • I bought one pizza for $3.10, two pens for $0.3 each, and a school bag for $40. How much did I spend in total?

43.7

400

Susan has as triangle, a pentagon and an octagon. What is the total number of sides?

16 sides

400

What is (1/3) of 800 + 100?

300

400

In a simple circuit, what does a lamp (light) need to light up?

A power source (battery)

400

What does amplitude mean?

How high a sound wave goes - how loud a sound is.

500
  • Round the addends to the nearest ten, then find the sum: 555 + 55 + 5

630

500

Patrick can eat 7 pizzas in one hour. How many hours would it take him to eat 63 pizza?

8 hours

500

What is 80% of 50?

40

500

Name three renewable energies:

Hydro, solar, wind, tidal, biomass

500

If we drew 2 sound waves: one high pitch and one low pitch, what would be the difference?

There would be more waves in the high pitch drawing.