Number Sense

Place Value of Whole and Decimal Numbers

100

The place value of the digit 6 in the number below:

5 562 031

What is 6 ten thousands?

200

The number below expressed in standard form

4 000 000 + 200 000 + 50 000 + 1000 + 700 + 50 + 2

What is 4 251 752?

300

The number below expressed in expanded form:

2 456 303 231

What is 2 000 000 000 + 400 000 000 + 50 000 000+ 6 000 000 + 300 000 + 3000 + 200 + 30 + 1?

400

The value of the digit 0 in the number below:

503 657 234

What is 0 ten millions?

500

The number below expressed in expanded form:

764.033

What is

700 + 60 + 4 + 0.03 + 0.003?

Rounding Decimals up to Thousandths

100

The number below rounded to the nearest hundredth:

5.765

What is 5.77?

200

The number below rounded to the nearest whole number:

2.34

What is 2?

300

The number below rounded to the nearest thousandth:

6.2317

What is 6.232?

400

The correct way to round the repeating decimal number below:

6.23572357235

What is 6.2357 repeating?

500

The number below rounded to the nearest tenth:

6 + 0.5 + 0.01 + 0.001

What is 6.5?

Expanded form using Powers of 10 (Gr. 7 only)

100

The number below expressed in standard form:

(9 x 10³) + (2 x 10²) + (5 x 10¹) + (7 x 10⁰) 

What is 9257?

200

The number below expressed in standard form:

(7 x 10⁵) + (4 x 10⁴) + (8 x 10³) + (3 x 10²) + (2 x 10¹) + (6 x 10⁰)

What is 748 326?

300

The number below expressed in standard form:

(3 x 10⁹) + (1 x 10⁸) + (4 x 10⁷) + (2 x 10⁶) + (3 x 10⁵) + (8 x 10⁴) + (4 x 10²) + (7 x 10¹) + (9 x 10⁰)

What is 3 142 380 479?

400

The number below expressed in standard form:

(8 x 10⁹) + (2 x 10⁷) + (5 x 10⁶) + (8 x 10⁴) + (8 x 10²) + (9 x 10⁰)

What is 8 025 080 009?

500

The number below expressed in expanded form using powers of 10:

5 760 565 234

What is 

(5 x 10⁹) + (7 x 10⁸) + (6 x 10⁷) + (5 x 10⁵) + (6 x 10⁴) + (5 x 10³) + (2 x 10²) + (3 x 10¹) + (4 x 10⁰)?

Comparing and Ordering Integers and Decimals

100

How one would describe the following numbers using greater than, less than, or equal to:

5.64         5.064

What is 5.64 is greater than 5.064?

200

A list of opposite integers from the numbers below:

3, 8, -2, -3, 5, -8

What is

3, -3 and 8, -8?

300

The person who won the race based on the times listed below:

Mila - 15.067 seconds

Gwen - 15.4 seconds

Who is Mila?

400

The following integers in order from greatest to least:

-25, 14, 2, 0, 6, -1

What is

14, 6, 2, 0, -1, -25?

500

The following decimals ordered from least to greatest:

0.653, 2.4, 2.04, 0.66, 0.342

What is

0.342, 0.66, 0.653, 2.04, 2.4?

Adding and Subtracting Integers (Gr. 7 only)

100

The answer to 

(+3) + (+1)

What is 4?

200

The answer to

(+5) + (-7)

What is -2?

300

The answer to 

(-10) - (-11)

What is 1?

400

The answer to (-3) + (-9)

What is -12?

500

The answer to (+8) - (-8)

What is 16?