Finding nth Terms in Arithmetic Series for Grade 7

1. A gardener plants a row of flowers. The first flower is planted 2 feet from the start, and each subsequent flower is planted 3 feet apart. How far is the 10th flower from the start?

• 25 feet

• 32 feet

• 29 feet

• 20 feet

2. Sarah saves $5 in the first week, $10 in the second week, and continues to save $5 more each week. How much will she have saved by the end of the 8th week?

• 180

• 120

• 200

• 150

3. A book club reads 2 chapters in the first week, 4 chapters in the second week, and increases the number of chapters read by 2 each week. How many chapters will they read in the 6th week?

• 10

• 14

• 12

• 8

4. A staircase has steps that rise 1 foot each time. If the first step is at ground level, how high will the 15th step be?

• 10 feet

• 15 feet

• 20 feet

• 12 feet

5. A concert ticket price starts at $20 and increases by $3 each week. What will be the price of the ticket in the 12th week?

• $40

• $53

• $60

• $46

6. A factory produces 100 toys in the first month, 120 in the second month, and increases production by 20 toys each month. How many toys will be produced in the 5th month?

• 160

• 200

• 180

• 150

7. A runner completes 1 mile in the first week, 2 miles in the second week, and increases the distance by 1 mile each week. How far will the runner go in the 10th week?

• 10 miles

• 5 miles

• 8 miles

• 12 miles

8. A savings account earns $10 in interest the first month, $15 the second month, and increases by $5 each month. How much interest will be earned in the 6th month?

• $40

• $30

• $35

• $25

9. A school is collecting cans for a food drive. They collected 5 cans in the first week, 10 cans in the second week, and increase the collection by 5 cans each week. How many cans will they have collected by the end of the 7th week?

• 140 cans

• 50 cans

• 75 cans

• 100 cans

10. A car travels 50 miles in the first hour, 60 miles in the second hour, and increases its speed by 10 miles each hour. How far will the car travel in the 5th hour?

• 100 miles

• 90 miles

• 80 miles

• 70 miles