Addition and subtraction
-2 + 6 - 12 =
- 8
- 4 x - 5 =
20
( - 10) x 2 - (-7)2 =
- 69
The temperature this morning was -7 degrees celsius, the temperature now is 24 degrees celsius. Did the temperature increase or decrease? By how much?
increased by 31 degrees celsius
What is an integer?
An integer is any number, it can be positive or negative and includes 0
- 54 + - 23 - 19 =
- 96
- 23 x ___ x 13 = - 2691
9
( - 8 ) x (- 6) - (- 5)2 =
23
Joe dropped a coin off the top of a cliff. The cliff is 47m above sea level, the coin landed at the bottom of the sea. If the coin fell 125m, how many metres below sea level did the coin land?
78m
Write a comparative number sentence using <, > or = for the following...
- 46, - 64, 12
- 64 < - 46 < 12
12 > - 46 > - 64
- 432 + 125 - 16 =
- 323
- 67 x ____ x 4 = 3752
- 14
(10 + 2 - 5) x (62 / (8-4)) =
63
The Punic Wars began in 264 B.C. and ended in 146 B.C. How long did the Punic Wars last?
118 B.C
Order the following integers from smallest to largest...
543, - 67 ,- 66, 0 , 14 , 6, 32, - 127
- 127, - 67, - 66, 0, 6, 14, 32, 543
- 275 + 72 + - 923 - - 45 =
- 1081
- 162 /_____= - 27
6
8 / (10 - 9)3 x 7 + 42 =
72
Metal mercury at room temperature is a liquid. Its melting point is -39°C. The freezing point of alcohol is-114°C. How much warmer is the melting point of mercury than the freezing point of alcohol?
75 degrees celsius warmer
Molly has overdrawn her checking account by $27. Her bank charged her $20 for an overdraft fee. Then she quickly deposited $90. What is her current balance?
$ 43
- 765 + - 54 - -12 - -273=
- 534
- 56 x 32 x - 24 =
- 1816
( 8 + 52) x ((9-7)2 / 2) =
66
Milly and her friends were selling cupcakes. They sold 4 more boxes the second week than they did in the first week. On the third week, they doubled the sale of their second week. Altogether, they sold a total of 352 boxes. How many boxes did they sell in the third week?
178 boxes
Create a question that solution is - 476
answers could include
20 - 496
952 / -2
- 238 x 2