Vocabulary
Addition
the process or skill of calculating the total of two or more numbers or amounts.
3.34 + 2.46
5.80
Alex walked inside of Walmart to buy ice cream, however he also bought chocolate syrup to go with it. If the ice cream was 4.79 and the chocolate syrup was 2.19, how much was his total at checkout?
6.98
Subtraction
the process or skill of taking one number or amount away from another.
5.73 - 3.71
2.02
A chef bought 9.6 pounds of rice, but 4.8 pounds of it spilled out of the bag in the parking lot. How much rice is left?
4.8
Sum
the total amount resulting from the addition of two or more numbers, amounts, or items.
24.8 + 18.4
43.2
Joey bought 3.7 kilograms of apples and 2.3 kilograms of oranges. How much fruit did he buy in all?
6
Decimal
a fraction written in a special form
57.22 - 36.38
20.84
A carpenter bought a piece of wood that was 0.93 meters long. Then he sawed 0.06 meters off the end. How long is the piece of wood now?
.87
Place Value
the value of each digit in a number
868.91
Ken weighed two colored metal balls during a science class. The brown ball weighed 0.75 pounds and the green ball weighed 0.93 pounds. If Ken places both balls on the scale at the same time, what will the scale read?
1.68