This math topic focuses on calculating the sum of series of consecutive integers from M to N. It involves finding the sum for different integer sequences, enhancing skills in addition and understanding arithmetic sequences. Each problem presents a sequence of integers with different starting and ending points, and multiple-choice answers are provided for students to select the correct sum. This set of problems is part of an advanced unit on patterns and sums, suitable for learners looking to deepen their understanding of these concepts in a structured format.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Sums - Series of Integers M to N - Addition to Sum Worksheet

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Sums - Series of Integers M to N - Addition to Sum
1
5 + 6 + ... + 14 + 15
What would the sum be for this set of integers?
a
114
b
126
c
105
d
110
e
95
2
2 + 3 + ... + 14 + 15
What would the sum be for this set of integers?
a
120
b
119
c
135
d
104
e
117
3
9 + 10 + ... + 23 + 24
What would the sum be for this set of integers?
a
255
b
240
c
289
d
264
e
272
4
1 + 2 + ... + 12 + 13
What would the sum be for this set of integers?
a
90
b
91
c
105
d
78
5
11 + 12 + ... + 20 + 21
What would the sum be for this set of integers?
a
155
b
186
c
198
d
165
e
176
6
9 + 10 + ... + 16 + 17
What would the sum be for this set of integers?
a
117
b
108
c
100
d
135
e
125
7
10 + 11 + ... + 23 + 24
What would the sum be for this set of integers?
a
255
b
245
c
280
d
231
e
264
8
14 + 15 + ... + 24 + 25
What would the sum be for this set of integers?
a
234
b
220
c
209
d
247
e
260