Number Patterns worksheet for students to complete sequences.

I'll work through each number pattern step by step to find the missing numbers.

Pattern 1: 20, 21, 22, 23, __, __, __, __
- Looking at the differences: 21-20=1, 22-21=1, 23-22=1
- This is adding 1 each time
- Next numbers: 24, 25, 26, 27

Pattern 2: 10, 12, 14, 16, __, __, __, __
- Looking at the differences: 12-10=2, 14-12=2, 16-14=2
- This is adding 2 each time
- Next numbers: 18, 20, 22, 24

Pattern 3: 10, 20, 30, 40, __, __, __, __
- Looking at the differences: 20-10=10, 30-20=10, 40-30=10
- This is adding 10 each time
- Next numbers: 50, 60, 70, 80

Pattern 4: 20, 23, 26, 29, __, __, __, __
- Looking at the differences: 23-20=3, 26-23=3, 29-26=3
- This is adding 3 each time
- Next numbers: 32, 35, 38, 41

Pattern 5: 30, 35, 40, 45, __, __, __, __
- Looking at the differences: 35-30=5, 40-35=5, 45-40=5
- This is adding 5 each time
- Next numbers: 50, 55, 60, 65

Pattern 6: 20, 19, 18, 17, __, __, __, __
- Looking at the differences: 19-20=-1, 18-19=-1, 17-18=-1
- This is subtracting 1 each time (or adding -1)
- Next numbers: 16, 15, 14, 13

Pattern 7: 55, 50, 45, 40, __, __, __, __
- Looking at the differences: 50-55=-5, 45-50=-5, 40-45=-5
- This is subtracting 5 each time
- Next numbers: 35, 30, 25, 20

Pattern 8: 16, 20, 24, 28, __, __, __, __
- Looking at the differences: 20-16=4, 24-20=4, 28-24=4
- This is adding 4 each time
- Next numbers: 32, 36, 40, 44

Let me verify my calculations:
- Pattern 1: 20+1=21, 21+1=22, 22+1=23, 23+1=24, 24+1=25, 25+1=26, 26+1=27 ✓
- Pattern 2: 10+2=12, 12+2=14, 14+2=16, 16+2=18, 18+2=20, 20+2=22, 22+2=24 ✓
- Pattern 3: 10+10=20, 20+10=30, 30+10=40, 40+10=50, 50+10=60, 60+10=70, 70+10=80 ✓
- Pattern 4: 20+3=23, 23+3=26, 26+3=29, 29+3=32, 32+3=35, 35+3=38, 38+3=41 ✓
- Pattern 5: 30+5=35, 35+5=40, 40+5=45, 45+5=50, 50+5=55, 55+5=60, 60+5=65 ✓
- Pattern 6: 20-1=19, 19-1=18, 18-1=17, 17-1=16, 16-1=15, 15-1=14, 14-1=13 ✓
- Pattern 7: 55-5=50, 50-5=45, 45-5=40, 40-5=35, 35-5=30, 30-5=25, 25-5=20 ✓
- Pattern 8: 16+4=20, 20+4=24, 24+4=28, 28+4=32, 32+4=36, 36+4=40, 40+4=44 ✓

Final Answer:
1. 24, 25, 26, 27
2. 18, 20, 22, 24
3. 50, 60, 70, 80
4. 32, 35, 38, 41
5. 50, 55, 60, 65
6. 16, 15, 14, 13
7. 35, 30, 25, 20
8. 32, 36, 40, 44