Divisibility and mental math
Exponents
Name the base
and exponents
Simplify each
expression
Algebra
100
5
what can go into 2,385
100
4/3
3x3x3x3
100
R/2
RxR
100
25
5/2
100
6561
(17+64)/2
200
2,5,10
What can go into 202,470
200
3/2
2x2x2
200
3/100
100x100x100
200
64
(3/2-1)/2
200
99
(13+41)/2+4
300
2,5,10
What can go into 11,160
300
6/4
4x4x4x4x4x4
300
3/L
LxLxL
300
no
Does the expression 2/2x3/2-2/3-1 have the same value as 2/2x(3/2-2/3)-1
400
3
What can go into 171
400
7/6
6x6x6x6x6x6x6
400
1/4
1x1x1x1
400
171.09
45.7x3.7+2
400
prime it's only divisible by1 and itself
prime or composite? Explain a:39 b:47 c:63
500
2,3
What can go into 456
500
5/120
120x120x120x120x120
500
7/R
RxRxRxRxRxRxR
500
472
(25-17)x5.9
500
483 18/56
(14x30+47)+52/56x17
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