P5 review of chapter 2 quiz

Exponents

100

write using an exponent 5x5x5x5x5x5

5⁶

200

write using an exponent: 3x3x3x3

3⁴

300

write using an exponent 7x7x7

7³

400

write the expaneded form 6⁷

6x6x6x6x6x6x6

500

Write expanded form 3¹

3

Estimates

100

 what is the best estimate for 52 x102

5000

200

what is the best estimate for 6 x3010

18,000

300

what is the best estimate for: 101x104

10,000

400

What is the best estimate for 213x12?

2100 or 2000

500

What is the best estimate for 99x9

1000

Prime Factorisation

100

What is the Prime Factorisation of 75 without using exponents? it must be in order to be correct

3x5x5

200

What is the Prime Factorisation of 24 without using exponents? it must be in order to be correct

2x2x2x3

300

What is the Prime Factorisation of 70 without using exponents? it must be in order to be correct

2x5x7

400

What is the Prime Factorisation of 32  using exponents?

2⁵

500

What is the Prime Factorisation of 50  using exponents?

2x5²

Multiplication One digit

100

52x4=

208

200

69x7=

483

300

234 x4

936

400

512x5= 

2560

500

56x7=

392

Multiplication by two digits

100

83x14=

1162

200

256x32=

8192

300

300x52

15,600

400

22x16=

352

500

496x24=

11904