Adding Decimals
12.3 + 19.9
32.2
12.3 - 10
2.3
15
Rational, whole number
the result or answer we get on adding two or more numbers or terms
A seafood restaurant made 8.8 cups of clam chowder on Tuesday morning. At lunch, the restaurant sold 8.5 cups of the chowder. How much clam chowder is left for dinner?
0.3 cups
5.93 + 33.3
39.23
37.45 - 23.9
13.55
2.345...
Irrational, goes on forever and ever (three dots)
What does 'Difference' mean in math?
the result of subtracting one number from another.
It rained 0.82 inches on Saturday and 0.13 inches on Sunday. How much did it rain on Saturday and Sunday combined?
0.95 inches
37.56 + 87.247
124.807
204.3 - 25.22
179.08
π
Irrational, Pi goes on forever and ever
What is a whole number?
a number without fractions or decimals
Lexi bought 2.8 ounces of walnuts. The next day, she used 1.9 ounces of them in a recipe. How much is left?
0.9 ounces
5.634 + 54.82
60.454
25 - 17.08
7.92
-33.456
Rational, decimal number that stops
What is an integer?
A positive or negative whole number
Felix picked two pumpkins. The first pumpkin weighed 3.45 pounds, and the second pumpkin weighed 2.68 pounds. How much did the two pumpkins weigh all together?
6.13 pounds
365.02 + 10.2
375.22
103 - 83.245
19.755
-2/3
Rational, fraction with integers on top and bottom
What is a repeating number?
the same number, or sequence of digits repeats indefinitely
Maria went to the store with $30. At the store, she bought sandwich stuff for $13.45 and a case of sodas for $7.19. How much money did Maria have left when she got home?
$9.36