Arithmetic with integers
Multiples and Factors
Prime numbers
Sequences
Functions and Formulas
100

-3 + - 8

-5

100

Factors of 25

1, 5, 25

100

Define a prime number

A number that only has 2 factors, 1 and itself

100

-2, -10, -18, -26, ....

What's the term-to-term rule?


subtract 8

100

x --> {x3}-->{-4}--> y

When the input is 1, what is the output?

-1

200

-6 - - 6

0

200

First 5 multiples of 7

7, 14, 21, 28, 35

200

Which is a prime number?

1, 27, 65, 91, 103, 121

103

200

12, 16, 20, 24, 28, ...

Find the position to term rule

4 x position number + 8

200

10 -->{ ? }--> 5

14 -->{ ? }--> 7

-6 -->{ ? }--> -3

Divide by 2

300

a / -2 = -6

What is a?

12

300

LCM of 15 and 6

30

300
Write 90 as a product of prime numbers

2x32x5

300

3n -1

What's the 40th term?

119

300

x --> {x5}-->{+2}--> y

Write the equation for the output in terms of x

y = 5x + 2

400

- 6 x 2 + 24+ (1+2)2

13

400

The HCF of two numbers is 8. One of the numbers is between 20 and 30. The other number is between 42 and 60. What are the two numbers?

24 and 56

400

HCF of 73 and 83

1

400

5, 7, 9, 11, ...

Whats the nth term of the sequence?

2n + 3

400

V = ((a+b)/2)h

a=5, b=7, h=4

What is V?

24

500

-(-1)125

1

500

Find the LCM of 90 and 140

1260

500

Find the smallest number with 3 prime factors

30

500

What is the name of this sequence?

1,1,2,3,5,8,13,21,....

Fibonacci sequence

500

I'm thinking of a number, n. Write an expression when I subtract 5, then multiply the result by 2.

2(n-5)