Vocabulary
What is an Integer?
a number with a positive or a negative sign before it
Solve this:
-5 + 5 =?
0
+28 + (+14) = ?
+42
What does it mean to be a positive number?
you are a number that comes after zero, so you are bigger than zero
37 - (-24) = ?
61
+25 + (+38) = ?
+63
What does it mean to be a negative number?
you are a number that comes before zero, so you are smaller than zero
-29 + 32 = ?
3
+368 - (+254) = ?
+114
What does "expression" mean?
A math sentence that states that has at least two numbers and one operation sign.
-50 + (+136) = ?
86
+522 - (+498) = ?
+24
4g - 7
coefficient: 4
variable: g
constant: -7
212 + (-156) = ?
56
+1,472 + (+ 1,698) = ?
+3,170