Decimals
Adding and Subtracting Integers
Place Value up to billions
Multiplying and dividing Integers
Mystery
100

0.4444444444 can also be written as............

Decimal Form

It can be written as 0.4

100

If the two numbers are positive when adding, which integer will the answer take?

The answer will be a positive, because: 

POSITIVE + POSITIVE = POSITIVE 

100

36,305,004,788 in words (Written Form)

Thirty-six billion three hundred five million four thousand seven hundred eighty-eight

100

7 × –4 = C

C is -28

100

34,949,678,234 or 34,949,679,234

Which is bigger?

34,949,679,234 is the bigger number.

200

Which measurement is least precise?   

  1. 1.123 cm
  2. 1.23 cm
  3. 1.3 cm
  4. 1.234 cm


The most precise one in the list is 1.234

200

(−2) − (−1) − (−7) = B

B is 6

200

The position of 3 in the number 123,567,670,567

The 3 in this number is in the BILLIONS place 3,000,000,000

200

–2 ÷ –2 = F

F is 1

200

While hiking, Nolan went up 200 metres. If Nolan started at 300 metres above sea level, which integer represents his elevation now?

A) -500

B) 400

C) -400

D) 500

The right answer is (D)

Explanation = 300 + 200 = 500

Nolan is now 500 metres above sea level. The integer 500 represents this situation.

300

Write 91.584 correct to 3 significant figures.

91.600/91.6 is the answer.

300

(−12) + 4 + 8 = S

S is )

300

Write 78,004,999,091 in expanded form

78,004,999,091 = 70,000,000,000 + 8,000,000,000

+ 4,000,000 + 900,000 + 90,000 + 9,000 + 90 + 1


300

–21 ÷ 7 = A

A is -3

300

Line these numbers from greatest to smallest.

78,000,999,123 - 78,000,998,123 - 78,000,999,133 -  78,001,998,123 - 78,000,899,123

The correct order is = 78,001,998,123 - 78,000,999,133 - 78,000,999,123 - 78,000,899,123 - 78,000,998,123.

400

21.093 rounded to 3 significant figures.

21.1 is the answer

400

(−4) + (−8) + 11 = X

Find out what is X

X is -1

400

Write 300 + 80 + 2 + 0.5 + 0.08 + 0.004 in Standard form.

300 + 80 + 2 + 0.5 + 0.08 + 0.004 = 382.584

400

Jared lost a total of $9.00 on his investment over 2 months.He lost an equal amount of money each month. 

The following equation describes this situation.

−9.00 ÷ 2 = −4.50

What does -4.50 tell us?

A) Jared's investment was worth $4.50 less than it was two months ago.

B) The loss in value on Jared's investment each month was $4.50.

C) None of the Two

The answer is B)

− $4.50 tells us that the loss in value on Jared's investment each month was $4.50.

400

The city’s budget is $8,000,000. The city actually spends $12,000,000. What is the city’s deficit?

The city's deficit is 4,000,000

= 12,000,000 - 8,000,000 = 4,000,000

500

Round .0193204 to three significant figures.

The answer is 0.0193/0.19

500

This morning, Trisha had $100 in her wallet. By the end of the day, she had $900.How much change did Trisha have at the end of the day?

Trisha had a total of $800 in change.

500

A five digit number has a 9 in the thousands place, a 6 in the greatest place value position, a 1 in the tens place, a 5 in the least place value position, and a seven in the hundreds position. What is the number?

The number is 69,715

500

33 years ago, the residents of Planet X found a black hole leading to another galaxy. Since then, they have been leaving Planet X at a rate of 120 residents per year.

The following equation describes this situation:


-120 . 3 = -360

What does -360 tell us?

A) A total of 360 residents left Planet X in the past three years.

B) 360 residents left Planet X each year.

C) None of the two.

The right answer is A)

500

The freezing point of water is 32º F. Tim added potassium and found out that the freezing point went down by 8º F. What was the freezing point of the water with the added potassium ?

-45 degrees F is the freezing point.