rules
if both signs are the same you ________
add
7.6-(10.1)=
-17.7
5.28-(-0.2)-4.88=
.42
Josh ran the ball for 20.6 yards on the first down and lost 3.4 yards on the second down. How many yards did he have in all?
17.2 yards
7.5+(-8.75)=
-1.25
if the signs are different you ______
subtract
45.80-60=
-14.20
5.56+0.2+(-1.2)-0.3=
4.26
Gabby, Lizzie and Serenity went shopping last week. Gabby bought 3 pair of shoes for $83.56 and an ice cream sundae for $2.37. She had $95 with her. How much did she have left?
$9.07
-15.7+9.2=
-6.5
if both signs are positive the answer will be ______
positive
3.2-(-1.4)-2.1=
2.5
2.1-0.8+0.2-8.91=
-7.41
Gabby, Lizzie and Serenity went shopping last week. Serenity bought lunch for everyone. Gabby's lunch cost $11.34, Lizzie's lunch cost $12.03, and Serenity's lunch cost $13.91. Serenity left a $10 tip. Serenity paid with a $50 bill. How much change did she get?
$2.72 left over
3.5+(-6.5)=
-3.0
If one sign is positive and one sign is negative the sign in the answer will be _______________
the sign of the highest absolute value
-8.6-(-20.4)=
11.8
-0.03+0.3-(-1.2)=
-1.47
Gabby, Lizzie and Serenity went shopping last week. Lizzie bought ice cream for everyone. The total bill was $13. 92. Lizzie had $15. How much change did she get back?
$1.08
136.95+52.7=
189.65
when do I use SCC- Stay Change Change
if the problem is a subtraction problem
3.2-(-1.4)-2.1=
2.5
437.23+236.12-582.96=
90.39
Zamir went to the pumpkin patch to buy pumpkins. He bought one for his sister for $2.35 and one for himself at $5.00. He had $10. Then he bought a caramel apple for $3.25 with $5.00 his mom gave him. If he kept the change how much does he have now?
$4.40
987.13+856.22=
1843.35