🔢 MathGrade 2Lesson 1
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Count Forward and Backward to 1,000

How to use: Download the PDF to print the worksheet. Then use this page to repeat activities and check answers.

Learning Objectives

  • 1Count forward to 1,000 by 10s and by 100s
  • 2Count backward from any number by 10s and by 100s
  • 3Identify the missing number in a counting sequence
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Mini Lesson

Numbers can go all the way to 1,000 — and you can get there by taking big jumps of 10 or 100!

Count forward by 10s

  • Add 10 each time: the ones digit stays the same and the tens digit goes up by 1.
  • Example: 120, 130, 140, 150…
  • After 190 comes 200, then 210, 220, 230…

Count backward by 10s

  • Subtract 10 each time — reverse the same pattern you use going forward.
  • Example: 350, 340, 330, 320…

Count by 100s

  • Add or subtract 100 each time: only the hundreds digit changes.
  • Forward: 100, 200, 300… all the way to 1,000.
  • Backward: 900, 800, 700… all the way down to 100.
Number line counting forward by 10sA number line from 100 to 150 with curved hop arrows labeled plus 10 jumping from 100 to 110, 110 to 120, and 120 to 130.Count by 10s100110120130140150+10+10+10…and on!
A number line showing three +10 hops: 100 → 110 → 120 → 130.
Counting forward and backward by hundredsBlue blocks count forward: 100, 200, 300, 400 with plus 100 labels. Yellow blocks count backward: 900, 800, 700, 600 with minus 100 labels.Count by 100s100+100200+100300+100400Count back by 100s900-100800-100700-100600Blue = count forward | Yellow = count back
Two rows of blocks — blue counting forward by 100s (100, 200, 300, 400…) and yellow counting backward by 100s (900, 800, 700, 600…).
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Ask yourself: "Am I counting forward or backward? Am I jumping by 10 or by 100?"

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Guided Practice

Choose 3 items from the Trace menu and copy them neatly on paper. Then use the Tracing Pad to practice numbers and math marks.

Tracing Pad

Tip: When you write 340, the digit 3 means 3 hundreds and the digit 4 means 4 tens!

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Exercises

Read each counting sequence. Tap the number that belongs in the blank, then check your answer.

Count by 10s. What number comes next?
110, 120, ___

Count back by 10s. What number comes next?
180, 170, ___

What number is missing?
340, 350, ___, 370

Count by 100s. What number comes next?
200, 300, ___

Count back by 100s. What number comes next?
900, 800, ___

What number is missing?
500, 400, ___, 200

1. What number comes after 390 when counting by 10s?

2. What number comes just before 650 when counting back by 10s?

3. What comes after 700 when counting by 100s?

4. What number comes just before 500 when counting back by 100s?

5. Which number is missing? 770, 780, ___, 800

6. Which number is missing? 230, 220, ___, 200

7. What comes next? 100, 200, 300, ___

8. What comes next when counting back by 100s? 900, 800, ___

9. What comes next? 460, 470, 480, ___

10. Which sequence counts backward by 100s?

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Assessment

Parent / Teacher Checklist

Lesson 2 →