Place Value
In 9.81, what place is the 1 in?
Hundredths
12.1 x 100
1,210
Add these decimals. 21.74 + 8.27
30.01
Multiply these decimals. 0.03 * 10
.3
Subtract these decimals.
3.53 - 2
1.53
How many digits does the value of Pi have?
Infinite
In 28.465, what place is the 5 in?
Thousandths
9,563 x 10 =
95,630
Add these decimals. 6.125 + 18
24.125
Multiply these decimals. 0.23 * 7
1.61
Subtract these decimals.
10.71 - 0.7
10.01
What is the term used for the perimeter of a circle?
Circumference
129.87946 What is the value of the 6?
Hundred Thousandths
52.1 x 1,000 =
52,100
Add these decimals. 5.2 + 3.11
8.31
Multiply these decimals. 4.4 * 5.3
23.32
Subtract these decimals.
2.54 - 1.82
0.72
Which country invented the use of negative numbers?
China
In 1.203 what place is 2 in?
Tenths
0.321 x 100 =
32.1
Add these decimals. 17 + 9.54
26.54
Multiply these decimals. 0.7 * 2.6
1.82
Subtract these decimals.
2.15 - 1.05
1.1
What number does the term “Giga” refer to?
One Billion
In 93.4258, what place is the 8 in
Ten Thousandths
59.8 x 1,000 =
59,800
Add these decimals. 4.67 + 29.1
33.77
Multiply these decimals. 2.5 * 7
17.5
Subtract these decimals.
1.72 - 0.8
0.92
What is the name of the number system that has a base of two? Ex: 1011000101
Binary