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Basic Add
Basic Subtract
Vocabulary
Place Value
100
45.4+7.6
What is 53
100
6.3-2.7
What is 3.6
100

What each digit is worth.

What is Value?

100

What is the value of the 7 in the number 708?

700

200
35.7+52.4
What is 88.1
200
7.75-3.60
What is 4.15
200
The numerals 0-9.

What is a Digit?

200

What is the value of the 9 in the number 14.96

0.9 or 0.90

300
14.68+70.05
What is 84.73
300
68.99-62.56
What is 6.43
300

The floating digit that tells you how many times to multiply the base number by itself.

What is an Exponent or Power?

300

What place value is the 4 in for the number 4,500,800?

Millions

400
140.7+256.8
What is 397.5
400
4-3.4
What is 0.6
400

The number that is multiplied by itself the number of times indicated by the exponent.

What is the Base Number?

400

What place value is the 1 in for the number 98.321?

Thousandths

500
893.57+613.88
What is 1507.45
500
80-0.088
What is 79.912
500

The form of a number that is represented by the digit in each place value multiplied by different powers of ten.

What is Exponential Form?

500

What is the relationship between the 8's in the number 8,800?

The 8 in the thousands place is 10x greater than the 8 in the hundreds place.