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Grade 1
1. Shapes and Solids Around Us
1.1. Longer and Shorter
1.2. Longest and Shortest
1.3. Bigger and Smaller
1.4. Biggest and Smallest
1.5. Taller and Shorter
1.6. Tallest and Shortest
1.7. Thicker and Thinner
1.8. Thickest and Thinnest
1.9. Heavier and Lighter
1.10. Heaviest and Lightest
1.11. Near and Far
1.12. More and Less
1.13. Nearest and Farthest
2. Spatial Understanding
2.1. Top and Bottom
2.2. On and Under
2.3. Above and Below
2.4. Inside and Outside
2.5. Left and Right
2.6. Front and Behind
2.7. Open and Closed
2.8. Before and After
3. Numbers from 1 to 10
3.1. Counting Numbers
3.2. Number Names
3.3. Comparing Numbers
3.4. Ascending and Descending Order
3.5. Before, After, and Between
3.6. Ordinal Numbers
3.7. Number Combinations
4. Numbers from 11 to 20
4.1. Counting Numbers
4.2. Number Names
4.3. Comparing Numbers
4.4. Ascending and Descending Order
4.5. Before, After, and Between
5. Numbers from 21 to 100
5.1. Counting Numbers from 21 to 100
6. Numbers from 1 to 100
6.1. Complete the Number Grid from 1 to 100
6.2. Fill in the Missing Numerals
6.3. Counting up to 100 by Grouping in Tens
6.4. Place Value
6.5. Number and Number Names up to 100
6.6. Reading Numbers on Abacus
6.7. Expanded Form
6.8. Identifying One-Digit and Two-Digit Numbers
6.9. Comparing Numbers
6.10. Before, After and Between up to 100
6.11. Estimate Without Counting to the Nearest Ten
6.12. Counting Numbers
7. Addition (1 to 20)
7.1. Addition of Two Numbers
7.2. Addition of Three Numbers
7.3. Addition Sentences
7.4. Add and Compare
7.5. Addition Skill Builder
7.6. Addition of Zero
7.7. Addition Strategies
7.8. Word Problems on Addition
7.9. Addition to Make 20
8. Subtraction (1 to 20)
8.1. Subtraction of Two Numbers
8.2. Subtraction Sentences
8.3. Subtract and Compare
8.4. Subtraction Skill Builder
8.5. Subtraction of Zero
8.6. Subtraction Strategies
8.7. Word Problems on Subtraction
9. Addition and Subtraction (1 to 20)
9.1. Relate Subtraction and Addition Facts
9.2. Choose the Correct Operation to Fill in the Blank
10. Addition and Subtraction of Numbers up to 100
10.1. Addition
10.2. Subtraction
11. Multiplication
11.1. Multiplication by Repeated addition
11.2. Multiplication as Equal Grouping
11.3. Multiplication Tables from 2 to 5
12. Skip Counting
12.1. Skip Counting by 2
12.2. Skip Counting by 3
12.3. Skip Counting by 4
12.4. Skip Counting by 5
12.5. Skip Counting by 6
12.6. Skip Counting by 7
12.7. Skip Counting by 8
12.8. Skip Counting by 9
12.9. Skip Counting by 10
13. Patterns and Shapes
13.1. Patterns
13.2. Shapes
14. Time
14.1. Concept of Day and Night
14.2. Parts of the Day(Morning, Evening, Noon, and Night)
14.3. Use of 'AM' and 'PM'
14.4. Clock
14.5. Calendar
15. Probability
15.1. More, Less and Equal Likely Events
15.2. Certain, Likely, Unlikely, and Impossible Events
16. Data Handling
16.1. Counting the Number of Shapes in a Picture

Grade 1 Thailand School Math Grade 1

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