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Divisibility
Decimal Multiplication and Division
Decimal Adding and Subtracting
Prime Factorization
Squares!
100

What is the divisibility rule for 2?

Even numbers-must end in 0, 2, 4, 6, or 8

100

2.6 ( 8 )

20.8

100

87.5 + 3.07

90.57

100
Write the prime factorization using exponents 42
2 * 3 * 7
100
6 squared
36
200

What is the divisibility rule for 3?

The sum of the digits is divisible by 3

200

78 ( 0.3 )

23.4

200

7.07 + 59 + 18.99

85.06

200
Write the prime factorization using exponents 48
2^4 * 3
200
4 squared
16
300

What is the divisibility rule for 6?

Numbers must be divisible by BOTH 2 and 3

300

8.7 ( 3.4 )

29.58

300

20 - 17.09

2.91

300
Write the prime factorization using exponents 60
2^2 * 3 * 5
300
12 squared
144
400

Test the number 78 for divisibility by 2, 3, 4, 5, 6, 8, 9, and 10?

2, 3, and 6 

400

18.9 / 3

6.3

400

Mary Math wants to purchase a mango and a melon for her fruit salad. The mango costs $1.78 and the melon costs $ 2.49.  If Mary pays for her fruit with a $10.00 bill, what is her change?

$5.73

400
Write the prime factorization using exponents 54
2 * 3^3
400
8 squared
64
500

Test the number 495 for divisibility by 2, 3, 4, 5, 6, 8, 9, and 10?

3, 5, and 9

500

12.5 / 2

6.25

500

520 - 8.783

511.217

500
Write the prime factorization using exponents 150
2 * 3 * 5 ^2
500

7 squared

49