Let’s solve each multiplication problem step by step. Remember the rules for multiplying integers:
- Positive × Positive = Positive
- Negative × Negative = Positive
- Positive × Negative = Negative
- Any number × 0 = 0
Now let’s go one by one:
1) (+5) × (+6) → 5 × 6 = 30 → both positive →
+30
2) (+8) × (+8) → 8 × 8 = 64 → both positive →
+64
3) (+9) × (0) → anything times 0 is 0 →
0
4) (-3) × (+1) → negative × positive = negative → 3 × 1 = 3 →
-3
5) (+3) × (+8) → 3 × 8 = 24 → both positive →
+24
6) (-3) × (-6) → negative × negative = positive → 3 × 6 = 18 →
+18
7) (-6) × (+8) → negative × positive = negative → 6 × 8 = 48 →
-48
8) (-8) × (+8) → negative × positive = negative → 8 × 8 = 64 →
-64
9) (+3) × (+7) → 3 × 7 = 21 → both positive →
+21
10) (+6) × (-5) → positive × negative = negative → 6 × 5 = 30 →
-30
11) (-4) × (-3) → negative × negative = positive → 4 × 3 = 12 →
+12
12) (-8) × (0) → anything times 0 is 0 →
0
13) (-4) × (+1) → negative × positive = negative → 4 × 1 = 4 →
-4
14) (+8) × (+7) → 8 × 7 = 56 → both positive →
+56
15) (+1) × (+2) → 1 × 2 = 2 → both positive →
+2
Final Answer:
1) +30
2) +64
3) 0
4) -3
5) +24
6) +18
7) -48
8) -64
9) +21
10) -30
11) +12
12) 0
13) -4
14) +56
15) +2
Parent Tip: Review the logic above to help your child master the concept of multiplying integers worksheet 7th grade.
