Negative numbers
what is bigger, 2 or -10?
2
what is the LCM of 8 and 6?
24
hundredths
How many terms are in this equation:
2a+4b-5c
3
I have some coins in my pocket.
They add up to 30 cents.
I only have 5 coins.
One of them is not a 5-cent coin.
What coins do I have?
10, 5, 5, 5, 5
–3 + 7 – (–1)
5
1/2+3/2-2/2
1
Put the following numbers in ascending order:
4.15, 3.26, 3.5, 3.189, 3.49
3.189, 3.26, 3.49, 3.5, 4.15
in an equation:
5a-6b+4ab-6
a)what is the coefficient of a
b)what is the constant term?
5
-6
I am thinking of a number:
When you multiply me by 2, then add 6, then divide the result by 2, you get 11.
8
–15 –__ = –13
-2
1/4+2/7
15/28
I have 1.3 apples, my friend has 6.91 apples. I ate 7.54 apples. How many apples do we have left?
0.67 apples
Simplify this expression:
4x+6x-2+6y-7
10x-9+6y
If a + b = 100
What is the highest number a*b can be?
2500
–38 ÷ (–19) × (–4)
-8
√(6/5*8/15)
4/5
If George had 4.7 friends, and each one has 2.5 bricks, how many bricks do they have in total?
11.75 bricks
are these expressions equivalent? Why?
4(x+1)+2 and 2(x+3)+2x
yes
4x+6=4x+6
What is 1+2+3+4...+99+100?
(tip, this requires multiplication)
5050
(–2 – 5) × (8 ÷ (–1))
56
A cup is full of coffee. 1/3 of it is poured out, and replaced with milk. Then it is steered. 1/3 of the new coffee with milk is poured out and replaced with milk. Then it is steered. 1/3 is replaced with milk the final third time. How much of the cup is milk and how much is coffee?
milk - 19/27
coffee - 8/27
what is 9.8/3.4 to 3 decimal points?
2.882
x3-3x2+3x-1=0
What is x?
x=1
A sequence of numbers where each term is half of the previous term goes like this:
1, 1/2, 1/4, 1/8, 1/16, 1/32.... for ever
If we add up all the terms in the sequence, what will the result be? (not infinity)
2