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Grade 1

Grade 1 is a foundational year where students develop essential number sense and begin building fluency with basic addition and subtraction. This is when learners move from concrete counting with objects to more abstract numerical thinking. Students explore numbers within 20, learning to visualize quantities, recognize patterns, and understand that numbers can be combined or separated in meaningful ways. The focus is on making math accessible and building confidence through hands-on practice.

Key Skills

  • Adding and subtracting within 20 using various strategies
  • Counting forward and backward from any number
  • Understanding place value (tens and ones)
  • Comparing numbers using greater than, less than, and equal to
  • Solving simple word problems involving addition and subtraction

By the end of Grade 1, students should be able to solve basic addition and subtraction problems fluently within 20, understand the relationship between addition and subtraction, and apply these skills to simple real-world scenarios. They should also demonstrate an understanding of number order and be able to explain their mathematical thinking using words, pictures, or numbers.

Many Grade 1 students struggle with the transition from counting objects to working with numbers abstractly. They may have difficulty with regrouping concepts or confuse the plus and minus symbols. Reversing digits when writing two-digit numbers is also common. Using visual models like number lines, ten frames, and counters helps bridge the gap between concrete and abstract understanding.

Start with easy-level worksheets to build confidence and assess current understanding. Once students can complete these accurately, move to medium difficulty. Practice regularly for 10-15 minutes daily rather than longer sessions less frequently. Encourage students to use fingers, drawings, or manipulatives when needed—these tools support learning and shouldn't be discouraged at this stage.

Addition (within 20)

Add single-digit and small two-digit numbers with totals up to 20.

Grade 1 Addition Within 20 - Easy

Difficulty: easy · Code: G01-T1002-E-01

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Grade 1 Addition Within 50 - Medium

Difficulty: medium · Code: G01-T1002-M-01

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Grade 1 Addition Within 100 - Hard

Difficulty: hard · Code: G01-T1002-H-01

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Subtraction (within 20)

Subtract within 20 using strategies like counting back and fact families.

Grade 1 Subtraction Within 20 - Easy

Difficulty: easy · Code: G01-T1003-E-01

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Grade 1 Subtraction Within 50 - Medium

Difficulty: medium · Code: G01-T1003-M-01

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Grade 1 Subtraction Within 100 - Hard

Difficulty: hard · Code: G01-T1003-H-01

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Counting & Number Order

Count forward/backward, identify before/after, and compare numbers.

Grade 1 Counting & Number Orders - Easy

Difficulty: easy · Code: G01-T1000-E-01

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Grade 1 Counting & Number Orders - Medium

Difficulty: medium · Code: G01-T1000-M-01

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Grade 1 Counting & Number Orders - Hard

Difficulty: hard · Code: G01-T1000-H-01

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