Stage 6

### Objectives

• Use place value understanding to add and subtract two-digit numbers
• Comprehend, reason and solve word problems using addition and subtraction skills
• Hone addition and subtraction proficiency by solving problems requiring precision and repeated reasoning
• Develop critical thinking skills around addition and subtraction concepts by solving problems requiring abstraction, reasoning and perseverance
##### Unit 1: Adding two-digit numbers

Students learn to add two-digit numbers.

##### Unit 2: Addition - word problems

Students learn to comprehend simple word problems and apply addition skills to solve them.

##### Unit 3: Addition - critical thinking

Students learn to solve problems using addition skills.

##### Unit 4: Subtraction of two-digit numbers

Students learn to subtract two-digit numbers.

##### Unit 5: Subtraction - word problems

Students learn to comprehend simple word problems and apply subtraction skills to solve them.

##### Unit 6: Subtraction - critical thinking

Students learn to solve problems using subtraction skills.

##### Unit 8: Addition and subtraction of two-digit numbers

Practice addition and subtraction of two-digit numbers.

##### Unit 9: Addition and subtraction - problem solving

Solve simple problems using addition and subtraction skills for numbers up to two digits.