Directed numbers
Which is greater: −3 or 2
2
5+−4
1
True or False:
A square is always a rectangle.
True!
What is 1/2 as a decimal?
0.5
Find the next value: 2, 5, 8, ___
11
Order from smallest to largest: −4, 1, −2
-4, -2, 1
8−(−2)
10
Which is larger?
A) 1,000,000
B) 999×999
1,000,000
Which is larger, 0.74 or 0.47?
0.47
Linear or non-linear?
The rate of change is not constant, and when plotted on a graph, the points form a curve, bend, or other non-straight pattern.
Non-linear
−3+7
4
−4×−3
12
34 or 43
34 = 81
Order from smallest to largest: 2/3, 0.5, 60%,
0.5, 60%, 2/3
Which is heavier?
A) A kilogram of feathers
B) A kilogram of bricks
They are the same!
Find two numbers that have a difference of 9, where one is negative
1,-8; 2,-7; 3,-6; 4,-5; 5-4; 6,-3; 7,-2; 8,-1
−6÷2−2
-5
Which would you rather have (to make the most money)
A) $1 doubled every day for 5 days
B) $25 straight away
$1 doubled every day for 5 days
$1 + $2 + $4 + $8 + $16
= $31
Which is bigger?
A) 1/3
B) 0.33
a) 1/3 = 0.333333.....
Is the pattern linear: 1, 3, 6, 10? Explain
No, since the first differences are not the same, the rate of change is not constant, meaning the pattern is non-linear.
−6−9
-15
12−(−3)×2
18
True or false:
Zero is an even number
True!
Bob wants to decrease 110 by 20%. Calculate 20% of 110 and find the new total
88
A line has equation y=2𝑥−1. What is y when 𝑥=5?
9