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Use Formal Methods For Subtraction of Integers WORKSHEET
Suitable for Grades: 2nd Grade, 3rd Grade
CCSS: 2.NBT.B.9, 3.NBT.A.2
CCSS Description: Explain why addition and subtraction strategies work, using place value and the properties of operations.
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
Use Formal Methods For Subtraction of Integers WORKSHEET DESCRIPTION
students will take a deep dive into subtraction whilst working through this worksheet. Section A kicks off by asking learners to identify words from a given list that are frequently used for subtraction.
Next, in section B students complete 4 column subtraction questions where the numbers are already drawn out on a square grid. Then learners will complete four further subtraction questions however this time they will have to put the numbers into the column layout themselves before completing the subtraction. A square grid is provided. Included is a subtraction of two numbers in word form.
In section D students will identify equivalent calculations to aid them with their mental and written methods for subtraction. Lastly, section D challenges learners' understanding of the use of the column method as they have to fill the boxes to complete three column subtractions.
