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Bar Model Worksheets: 204 Differentiated addition and subtraction word problem bar model worksheets. Worksheets include embedded student supports to help young mathematicians slow down during the model drawing process and methodically work through each step. Each worksheet is differentiated into 3 levels to help support learners at various levels of mastery.
Covers Addition & Subtraction within 5, 10, 20, and 100.
How to Use:
Students are invited to read through the entire story problem once without stopping. They read through the problem a 2nd time to text-code important information. Students are asked to circle each number in the story and underline the question. Text-coding helps students slow down, determine the correct operation, and reminds them to plug each number from the story into their model.
These bar model worksheets can be used as warm-ups to quickly engage students in mathematical thinking. They can also be used during guided or independent practice, as homework, or as extra practice for students who finish their assignments early. I recommend working through the steps of one or two worksheets as a whole class, modeling the steps as you go.
Bar Model Packet Includes:
• 108 Differentiated Worksheets
• Model Drawing Steps Poster
• Addition Bar Model Poster
• Subtraction Bar Model Poster
• Addition & Subtraction Word Problems Within 100
The skill level is indicated by one, two, or three stars in the top right-hand corner of each worksheet. One star worksheets are useful for students who need extra scaffolding to help them reach their learning targets, two star worksheets are helpful for students who are beginning to grasp the concept, while three star worksheets are intended to challenge students who are demonstrating proficiency.
First Grade Common Core Math Covered:
Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings.
Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences), using concrete models or drawings.
Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem
Add and subtract within 20, demonstrating fluency for addition and subtraction within 10.
Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.
Second Grade Common Core Math Covered:
Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing.
Fluently add and subtract within 20 using mental strategies.
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
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