Week 39/40

Patterns

100

What is the next number in the sequence?

2 ; 5 ; 8 ; 11 ; ........

14

200

What is the difference for the sequence?

-1; 4; 9; 14

+5

300

What will be in the 8th term?

2; 5; 8; 11; .....

Term 8 = 23

400

What is the formula of the following sequence?

-2 ; 1 ; 4 ; 7 ; .....

3n-5

500

Use the formula to find the value of the 10^th term.

5n+2

Term 10 = 52

Binary

100

What is 1001 in human numbers

9

200

What is 110011 in human numbers?

51

300

Convert 19 into binary

10011

400

Convert 45 to binary

101101

500

Convert to human numbers then calculate

10110-1100

22-12=10

Solve Equations

100

20+x=25

x=5

200

17=x-4

x=21

300

y/4=5

y=20

400

3x+2=11

x=3

500

x/2-6=14

x=40

Create Expressions

100

Jonny picked 10 apples, then he picked some more apples

10+x

200

3 times a number - 4

3x-4

300

Jack gets 3 chocolates and 4 hamburgers 

3c+4h

400

A third of the of the pizza was eaten by Mr Hattingh

x/3

500

Bob gets 2 times more ice-cream than Jenny. Jenny gets 3 times more ice-cream then Dana. 

6x+3x+x