Year 7 - squares, index and fractions

Square Numbers

100

5²

25

200

4²

16

300

9²

81

400

Use the area model to do 23²

529

500

Use the area model to do 105²

11,025

Square Roots

100

√100

10

200

√121

11

300

√225

15

400

√169  -√144

1

500

sqrt25+3^2+1^2

15

Index Notation

100

Write 6⁵  in expanded form

 

6 x6x6x6x6

200

Write 3 x 3 x 3 x 3 x 3 x 3 in index form 

3⁶

300

Write 10 x 10 x 10 x 10 x 10 x 10 in index notation

10⁶

400

Expand and evaluate 5³

5 x 5 x 5 = 125

500

Evaluate 3⁵  + 10³

1343

Fractions

100

What is an equivalent fraction of  3/4

Various

200

Simplify: 2/6

1/3

300

Simplify:  10/30

1/3

400

Simplify: 18/24

3/4

500

Which is bigger?  9/12  or 12/16

Same

Prime numbers

100

Which one of these is a prime number?

7 or 39

7

200

What prime number is a factor of 4?

2

300

When cubed (multiplied by itself 3 times), this prime number equals 27 

3

400

What are the prime factors of 12?

3 and 2

500

What are the prime factors of 56?

7 and 2