Mathematics Grade 9 15 min

Write variable expressions for arithmetic sequences

Write variable expressions for arithmetic sequences

What you'll learn

  • Solve addition problems with a two-digit number and a one-digit number (without regrouping) and get the correct answer at least 8 out of 10 times.
  • Explain how to add a one-digit number to a two-digit number without regrouping, using drawings or base-ten blocks.
  • Identify the ones place and the tens place in a two-digit number.
  • Write an addition equation (like 12 + 5 = 17) to represent a picture of two-digit and one-digit numbers being combined, with 100% accuracy.

Tutorial Preview

1

Write an expression for the sequence: 4, 6, 8, 10, ...

2

Write an expression for the sequence: 15, 12, 9, 6, ...

3

Find the 15th term of the sequence: 5, 9, 13, 17, ...

Sample Practice Questions

Easy
Write an expression for the sequence: 2, 4, 6, 8, ...
0.2n
1.n+2
2.2n+2
3.n
Easy
Write an expression for the sequence: 5, 8, 11, 14, ...
0.5n+3
1.3n+5
2.3n+2
3.5n-2
Easy
Write an expression for the sequence: 1, 5, 9, 13, ...
0.n+4
1.4n-3
2.4n+1
3.n-4

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Frequently asked questions

What grade level is "Write variable expressions for arithmetic sequences"?

Write variable expressions for arithmetic sequences is a Grade 9 Mathematics lesson on ExcelOS.

What will I learn in Write variable expressions for arithmetic sequences?

You'll be able to: Solve addition problems with a two-digit number and a one-digit number (without regrouping) and get the correct answer at least 8 out of 10 times; Explain how to add a one-digit number to a two-digit number without regrouping….

Is "Write variable expressions for arithmetic sequences" free to practice?

Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.

How many practice questions are included with Write variable expressions for arithmetic sequences?

This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.

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