Addition

Gr 3_OA_EstimationAddition_Problem_Construct

Posted on by

I used this task with my 3rd grade students. Students had been previously introduced to rounding numbers. This task was part of the introduction to estimation. In order to make a claim, students had to first round the numbers, and then add the rounded numbers to find the estimate. The task required students to state a claim and argument, as well as include what their partner said.

Microsoft Word version: 3_OA_EstimationAddition_Problem_Construct

PDF version: 3_OA_EstimationAddition_Problem_Construct

Gr 3_OA_AdditionSubtraction_WordProblem_Construct

Posted on by

I used this task with my 3rd grade students. The problems are basic addition and subtraction word problems. Although this is a concept students had previously learned at earlier grade levels, it is something that is good to spiral back to. Both problems gave students an opportunity to use regrouping. I had found that many of my students would tense up when seeing math word problems, and instead of showing their work or providing reasoning, would simply put a single number. This task forced students to actually show they reasoning and how they got to their answers, instead of simply writing “the answer.” The task also left room for students to discuss the findings with a partner and record how their partner solved them.

Microsoft Word version: 3_OA_AdditionSubtraction_WordProblem_Construct

PDF version: 3_OA_AdditionSubtraction_WordProblem_Construct

Gr 2_OA_AdditionMultiDigit_Problem_Critique

Posted on by

Second graders are required to solve double digit addition number problems with and without regrouping. They sometimes have a problem determining whether or not they need to regroup. In this problem they need to explain how they solved it and what tool they used. Most students would choose to use place value blocks or a hundreds or two hundreds chart to prove their answer.

Microsoft Word version: Gr_2_OA_AdditionMultiDigit_Problem_Critique

PDF version: 2_OA_AdditionMultiDigit_Problem_Critique

Loader Loading...
EAD Logo Taking too long?

Reload Reload document
| Open Open in new tab