Integers
Highest common factor
Lowest common multiple
expression and formula
Collecting like terms
100
What is -4+-6?

-10

100

Find the factors of 7. 

1 and 7

100

mention the first four multiples of 6

6, 12, 18, 24

100

There are x apples in the bag.

Add two apples, mention the correct expression. 

x+2

100

True or false 

6f+4f=11f

False, 

6f+4f=10f

200

-6 x 8 = ....

-48

200

True or false:

The factors of 13 are only 1 and 13

True

200

How many multiples of 10 are less than 100?

9
200

A bag has n counters in it.

I add three counters to the bag.

Which is the correct expression: 

a. n+ 5

b. n + 3 

c. n + 2

b. n+3

200

Can the expression below be simplified? 

6p+2

explain your answer

No, because they don't have the same terms

300

-4.1 x 9.7 = ..... 

-40

300

Find the common factors of 3 and 6

1 and 3 

300

What is the lowest common multiple of 6 and 4.

12

300

Sofi a has a box that contains t toys. Write an expression for the total number of toys she has in the box when she takes out two toys.

t - 2 

300

Simplify the expression.

k+6k−3k

4k

400

The product of 2 and −9 is −18.

Find two more pairs of integers with a product of −18.

-18x1 

-1x18 

-2x9

-3x6

-6x3


400

Find the highest common factor of:

18 and 21

3

400

Look at these numbers: 90 92 94 96 98 100

Which number is a multiple of 2 and 7?

98

400

Nesreen thinks of a number, n.

She multiplies the number by 3, then subtracts the result from 25.

25 - 3n

400

Simplify: 

d+1+d+1

2d + 2

500

−61.1+−29.3

-91

500

The HCF of two numbers is 3. One of the numbers is 9. What are the possible values of the other number?

3, 6, 12, or 15, 21, ...

500

Two numbers have a LCM of 45. The two numbers add up to 14.

Find the two numbers.

9 and 5

500

The cost of an adult meal in a fast-food restaurant is $a. The cost of a child’s meal in the same restaurant is $c.

Write an expression for the total cost of the meals for four adults and five children

4$a + 5$c

500

Simplify: 

8a+6b−4a−5b

4a - b

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