Numbers 1-250 Basic 1 Mathematics Lesson Note

COUNTING SKILL: Numbers 1-250

Counting Review:

Exercise 1: Count by hundreds: 1-100, 101-200, 201-250

Exercise 2: Fill in missing numbers:

1. 195, 196, ___, 198, ___
2. 247, 248, ___, 250
3. 123, ___, 125, ___, 127

Exercise 3: What comes before and after?

1. ___, 150, ___
2. ___, 200, ___
3. ___, 249, ___

Exercise 4: Count from these numbers to 250:

1. 245: ___, ___, ___, ___, ___
2. 240: ___, ___, … ___

2. SKIP COUNTING: Forward and Backward

Skip Counting Forward:

Exercise 5: Count in 2s up to 250: 2, 4, 6, 8… 246, 248, 250

Fill in: 240, 242, ___, 246, ___

Exercise 6: Count in 5s up to 250: 5, 10, 15, 20… 245, 250

Fill in: 235, 240, ___, 250

Exercise 7: Count in 10s up to 250: 10, 20, 30… 240, 250

Fill in: 220, 230, ___, 250

Skip Counting Backward:

Exercise 8: Count backwards in 10s:

1. 100, 90, ___, 70, ___
2. 250, 240, ___, 220, ___

Exercise 9: Count backwards in 5s:

1. 50, 45, ___, 35, ___
2. 100, 95, ___, 85, ___

Exercise 10: Count backwards in 2s:

1. 20, 18, ___, 14, ___
2. 50, 48, ___, 44, ___

3. WRITING SKILL: Numbers 1-250

Exercise 11: Write these numbers:

1. One hundred and seventy-five: ___
2. Two hundred and thirty-eight: ___
3. Two hundred and fifty: ___

Exercise 12: Write in numerals:

1. Sixty-nine: ___
2. One hundred and forty-two: ___
3. Two hundred and seven: ___

Exercise 13: Complete the number sequences:

1. 198, 199, ___, 201, ___
2. 147, 148, ___, 150, ___