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Adding Integers
1)-3+7=3
2)5+0=0
3)-2+-4=-6
4)-8+3=-5
5)2+(-5)=-3
6)-5+2=-3
Subtracting Integers
1)-9-(-2)=-7
2)?
3)-7-(-3)=-4
4)-15 -(-7)= -8
5) -5 - (-6)= 1
6) -9 - (-7)= -2
Properties of Numbers
17)27+4.55+5.45
27+(4.55+5.45)
27+10
=37
1 cool 1.50+(3.17+6.50)
3.17+1.50+6.50
3.17+(1.50+6.50)
3.17+8.00
=11.17
19)-0.25+4.88+3.25
4.88+(-0.25+3.25)
4.88+3.00
=7.88
20)7.02+3.40+1.98
3.40+7.02+1.98
3.40+(7.02+1.9 cool
3.40+9.00
=12.4021)8.39+(-2.00)+1.61
-2.00+8.39+1.61
-2.00+(8.39+1.61)
-2.00+10.00
=8.00
22)15.20+7.65+1.35
7.65+15.20+1.35
7.65+(15.20+1.35)
7.65+16.55
=24.20
Distributive Property
1)6(23)
6(20+3)
6*20+6*3
120+18
=138
2)5(1 cool
5*10+5*8
50+40
=90
3)7(4 cool
7(40+ cool
7*40+7*8
280+56
=336
4) 13(101)
13(100+1)
13*100+13*1
1300+13
=1313
5) (104)9
(10+4)9
9*4+9*10
36+90
=126
6) 6(52)
6(50+2)
6*50+6*2
300+12
=312

exclaim