Addition of base 2
Addition of base 5
Subtraction of base 2
Subtraction of base 5
Approximation
100

1001+110

1111

100

1024+421

1443

100

111-101

10

100

444-111

333

100

Approximate 347 to the nearest 10s


350

200

1010+101

1111

200

111+323

434

200

1010-110

0

200

342-111

231

200

Round off 430 to the nearest 100s

400

300

1111+111

10110

300

143+323

1021

300

1110-101

1001

300

3040-1234

1301

300

Round off 32.145 to 1 dp

32.1

400

11011 + 111

11110

400

342 + 123

1020

400

1100-101

111

400

4321-342

3424

400

Round off 246.567 to the nearest hundredths

246.57

500

Write 13000 in scientific notation

1.3x10^4

500

write 321000 in scientific notation

3.21x105

500

What is 0.000013 in scientific notation

1.3x10^10-5

500

What is 0.00000063 in scientic notation?

6.3x107

500

what is the general format for scientific notation?

ax10n