Vocabulary
Adding and Subtracting Decimals
Multiplying and Dividing Decimals
Good Decimal Number Sense
Area
100
The perimeter of a circle
What is circumference
100
2.25 + 4.333
6.583
100
2.64 x 0.5
1.32
100
if 192 x 2 = 384 then what does 19.2 x 0.2 = ?
3.84
100
A square has a base of 5 what is the area?
25 square units
200
The distance through the center of a circle from one side to the other side
What is diameter
200
0.963 - 0.45
0.513
200
7.01 x 0.2
1.402
200
if 363/3 = 121 then what does 36.3/3 = ?
12.1
200
A rectangle has a height of 4 and a base of 9 what is the area?
36 square units
300
The distance from the center of a circle to the circumference
What is radius
300
9.501 + 5.898
15.399
300
2.5 x 8
20
300
if 112 x 2 = 224 then what does 11.2 x 0.2 = ?
2.24
300
A triangle has a base of 8 and a height of 5 what is the area?
20 square units
400
Any portion of a curve of a circles
What is arc
400
29.85 + 3.04 + 59.8
92.69
400
36.27 / 9
4.03
400
if 222 x 5 = 1,110 then what does 2.22 x 0.5 = ?
1.110
400
A parallelogram has a base of 8 inches and a height of 4 inches what is the area?
32 square inches
500
A straight line that goes from one sided of the circumference to another side
What is a chord
500
127.3 - 49.87
77.43
500
15.21 / 0.3
50.7
500
if 23 x 4 = 92 then what does 2.3 x 4 = ?
9.2
500
A circle has a radius of 4 what is the area?
50.24 square units
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