Number and Place Value Part 1

Expanded Notation

100

What is 21 in expanded notation?

20 + 1

200

What is 345 in expanded form?

300 + 40 + 5 

300

What is 1423 in expanded form?

1000 + 400 + 20 + 3

400

What is 3762 in expanded form?

3000 + 700 + 60 + 2

500

What is 5092 in expanded form?

5000 + 90 + 2

Factors

100

What are the factors of 6?

1, 6, 2, 3

200

What are the factors of 20?

1, 20, 10, 2, 5, 4

300

What is the highest common factor of 10 and 50?

10

400

What is the highest common factor of 6 and 18?

6

500

What is the highest common factor of 12 and 18?

6

Multiples

100

What are the first 5 multiples of 3?

3, 6, 9, 12, 15

200

What are the first 5 multiples of 5?

5, 10, 15, 20, 25

300

What is the lowest common multiple of 4 and 10?

20

400

What is the lowest common multiple of 5 and 15?

15

500

What is the lowest common multiple of 8 and 12?

24

Exponents

100

What is the answer to: 5³

125

200

What is the answer to: 3⁶

729

300

5² = 10.
What has the person does wrong here? What is the correct answer?

They have multipled 5 and 2 instead of doing 5 x 5. The answer is 25. 

400

2² + 4² =

20

500

7 + 4³ - 2² =

67

Squared Numbers and Square Roots

100

6² =

36

200

14² =

196

300

√121 = 

11

400

√900 = 

30

500

What 2 WHOLE numbers does √70 lie inbetween?

8 and 9