Number Patterns
Input Output
Addition
Subtraction
What is the rule?
100
1, 4, 7, ?
What is 10
100
Input Output 5 8 6 9 7 ?
What is 10; Rule is add 3
100
378 + 922
What is 1300
100
982- 189
What is 793
100
Find the rule. 3, 6, 9, 12
What is add 3
200
2, 6, 10, 14, ?
What is 18
200
Input Output 3 9 4 12 5 15 6 ?
What is 18; Rule is x3
200
543 + 389
What is 932
200
1534- 723
What is 811
200
98, 87, 76
What is subtract 11
300
81, 72, 63, 54, ?
What is 45
300
Input Output 56 34 64 42 76 54 85 ?
What is 63; Rule is subtract 22
300
Round these numbers to the nearest hundred, then find the sum. 392 + 212
What is 600
300
1928-689
What is 1239
300
1, 4, 9, 16, 25, 36, 49
What is square numbers
400
12, 18, 24, 30
What is 36
400
Input Output 6 36 7 42 8 48 9 ?
What is 54; Rule is x6
400
Round these numbers to the nearest hundred, then find the sum. 934 + 279
What is 1200
400
7238- 4764
What is 2474
400
1, 2, 4, 8, 16, 32, 64
What is multiply by 2
500
2, 4, 8, 16, 32, 64, ?
500
Input Output 7 1 14 2 21 3 35 5 42 ?
What is 6; Rule is divide by 7
500
Round these numbers to the nearest hundred, then find the difference. 772 and 341
What is 500
500
13568- 8957
What is 4611
500
1, 3, 5, 7, 9
What is odd numbers or add 2
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