This is a free preview of the morning work set, Addition and Subtraction for numbers 20 to 100. The full set is part of our series of worksheets that aims to sequentially build up the critical foundation of addition and subtraction in early elementary level. It is designed to follow our previous set - Addition and Subtraction for numbers to 20. After mastering the fundamental arithmetic concepts for numbers to 20 in the previous set of worksheet, students extend their understanding to 100 in the current set, which in turn, will prepare them for further extension into numbers up to 1000 in 2nd grade.
Apart from procedural computation, the unique approach we use focuses on conceptual understanding. Instead of drilling, emphasis is placed on logic reasoning, high order thinking skills and early algebraic understanding.
This set is organized in two parts:
1. numbers from 20 to 40,
2. numbers 40 to 100.
These two parts can be taught separately.
Supplementing Math In Focus Singapore Math textbooks:
While this product can be used by any 1st and 2nd grade math learners, we have specifically developed the questions to supplement Math In Focus workbook 1B, covering the following chapters:
- Chapter 12 Numbers to 40
- Chapter 13 Addition and Subtraction to 40
- Chapter 16 Numbers to 100
- Chapter 17 Addition and Subtraction to 100