Here are the solutions to the subtraction problems. Remember the rule:
Subtracting a number is the same as adding its opposite.
For example:
* $(+5) - (+9)$ becomes $5 - 9$
* $(+1) - (-9)$ becomes $1 + 9$ (because minus a negative is a plus)
* $(-3) - (+8)$ becomes $-3 - 8$
Let's solve them one by one:
1) $(+5) - (+9) = 5 - 9 = -4$
2) $(-3) - (+8) = -3 - 8 = -11$
3) $(-7) - (0) = -7$
4) $(+3) - (+3) = 3 - 3 = 0$
5) $(+1) - (-9) = 1 + 9 = 10$
6) $(+6) - (+2) = 6 - 2 = 4$
7) $(+4) - (+7) = 4 - 7 = -3$
8) $(+9) - (+4) = 9 - 4 = 5$
9) $(-8) - (+4) = -8 - 4 = -12$
10) $(+4) - (0) = 4$
11) $(+4) - (-7) = 4 + 7 = 11$
12) $(-3) - (+1) = -3 - 1 = -4$
13) $(+9) - (0) = 9$
14) $(+3) - (+5) = 3 - 5 = -2$
15) $(-2) - (+3) = -2 - 3 = -5$
16) $(+9) - (-5) = 9 + 5 = 14$
17) $(-2) - (+2) = -2 - 2 = -4$
18) $(+7) - (+3) = 7 - 3 = 4$
19) $(+6) - (0) = 6$
20) $(+2) - (+5) = 2 - 5 = -3$
Final Answer:
1) -4
2) -11
3) -7
4) 0
5) 10
6) 4
7) -3
8) 5
9) -12
10) 4
11) 11
12) -4
13) 9
14) -2
15) -5
16) 14
17) -4
18) 4
19) 6
20) -3
Parent Tip: Review the logic above to help your child master the concept of integer rules worksheet.
