Multiplication and Division - Divide 2-digits by 1-digit - Presentation

In a comprehensive lesson on division, students are taught how to divide two-digit numbers by one-digit numbers using a methodical approach. The lesson begins with a discussion on how partitioning can aid in solving division problems. The process is broken down into three clear steps: first, students build the number by separating it into tens and ones. Next, they divide the tens by the one-digit number, followed by dividing the ones. For example, to divide 36 by 3, they partition 36 into 30 (tens) and 6 (ones), then divide 30 by 3 to get 10, and 6 by 3 to get 2, resulting in an answer of 12. This method is practiced with several examples, such as 69 ÷ 3, 88 ÷ 4, and 96 ÷ 3, to reinforce the concept.

The lesson also includes reasoning activities where students are encouraged to think deeper about the division process. One activity prompts them to agree or disagree with a statement about whether a calculation will involve an exchange and to explain their reasoning. For instance, when dividing 72 by 3, an exchange is necessary since 70 is not a multiple of 3. In another task, students use comparison symbols to relate different division statements. Additionally, they are asked to consider the various groups into which a number of sweets can be shared without any leftovers, applying their division skills to real-world scenarios. Independent work further consolidates their understanding, as they fill in blanks to complete calculations, discuss partitioning strategies, and observe patterns in division results.