Practice and homework lesson 6 4 model with bar models

Ali collected 137 stamps. He collected 27 stamps less than his sister. How many stamps did they collect altogether? This presentation shows how bar models are used for simple word problems. 1. 30 apples were harvested from a plantation. 5 were rotten. How many good apples were there?

Covered topics include addition and subtraction, working out differences and using bar models with money questions. We have also included challenges within this resource to encourage your class to go that extra mile in their learning. We have more that just this resource on the topic of bar modelling. Some others you may also find useful include:

Examples, Solutions, videos, worksheets, games and activities to help students learn how to solve 2-step word problems using bar models in Singapore Math. Bar models are similar to tape diagrams used in Common Core Math. The following diagrams show the Part-Part-Whole Models and Comparison Models.

The first few questions ask students to complete the diagrams and in later ones students then have drawn their own. The final worksheet is a series of more challenging questions that should make students think. Many of the problems are multi-step. For each questions students should use a bar model to solve.