Description
The addition and subtraction resources are helpful to use for teacher aid during small group, use as an anchor chart, or use as a student reference guide. The types of strategies are expanded form and base ten. The first two are two digit addition and subtraction with regrouping, and the last two are three digit addition and subtraction with regrouping.
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Highlights
Digital downloads
Grades
1st - 3rd
Subjects
Standards
CCSS1.NBT.B.2
CCSS1.NBT.C.4
CCSS1.NBT.C.6
Description
The addition and subtraction resources are helpful to use for teacher aid during small group, use as an anchor chart, or use as a student reference guide. The types of strategies are expanded form and base ten. The first two are two digit addition and subtraction with regrouping, and the last two are three digit addition and subtraction with regrouping.
Report this resource to TPT
Reported resources will be reviewed by our team. Report this resource to let us know if this resource violates TPT's content guidelines.
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Questions & Answers
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Standards
to see state-specific standards (only available in the US).
CCSS1.NBT.B.2
Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
CCSS1.NBT.C.4
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.
CCSS1.NBT.C.6
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 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.
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