Sum of Arithmetic Series

What is the sum of

1,2,3,4,5,6,7,8

• 32

• 36

• 40

• 44

Tags

CCSS.3.NBT.A.2

What is the sum of the numbers from 11-50

• 60x25

• 61x25

• 61x20

• 60x20

Tags

CCSS.5.OA.A.2

What is the total of 5,7,9,11,13,15,17,19,21,23

• 28x12.5

• 28x10

• 28x5

• 28x9

Tags

CCSS.6.NS.B.3

What is the 50th term of 5n+2

• 502

• 52

• 250

• 252

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

What is the nth term of

4, 7, 10, 13, 16, ...

• 3n-1

• 3n+1

• 4n-1

• 3n

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

If a=5 and a+d=12 what is the third term of the series

• 19

• 7

• 15

• 17

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

If a+2d=16 and a+3d=20 what is d?

• 8

• 6

• 4

• 2

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

If a+5d=32 and a+3d=26 what is d?

• 8

• 6

• 4

• 3

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

a=-3 and a+19d=33 what is the sum of the first 20 terms

• 36x20

• 36x10

• 30x20

• 30x10

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

What is the sum of the numbers 1-200

• 40200

• 20100

• 10200

• 2010