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Part Part Whole to 100 WORKSHEET
Suitable for Grades: 1st Grade, 2nd Grade
CCSS: 1.NBT.C.4, 2.NBT.B.5
CCSS Description: 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 and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Part Part Whole to 100 WORKSHEET DESCRIPTION
Partitioning numbers plays an important role in students' ability to calculate mentally with numbers. With this worksheet, your pupils will practice fixed and flexible partitioning.
Part-part-whole models are used in section A where learners will partition numbers into tens and ones. Next, in section B pupils will look at flexible partitioning as they consider different ways to partition two digit numbers.
