Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and subtracting ten. Young scholars continue practicing this new skill, eventually leading to application of their understanding to the addition and subtraction of any two-digit numbers. An excellent resource that supports children as they explore place value and deepen their number sense.

Concepts

place value

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Additional Tags

adding ten, subtracting ten, ten-frame, place value, addition number sentence, subtraction number sentence, addition equation, subtraction equation, math

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Pros

• Provides key questions to guide students toward an understanding of addition and subtraction
• Includes numerous opportunities for children to share and discuss different addition and subtraction strategies
• Offers ideas for differentiating the lesson to meet the needs of all learners
• Describes different strategies that students will use as they become fluent with addition and subtraction

Cons

• Teacher must create ten-frames and 100 charts for use in this lesson

Common Core

K.CC.A.3 K.CC.B.4.a K.CC.B.5 K.OA.A.1 K.NBT.A.1 1.NBT.B.2.a 1.NBT.B.2.b 1.NBT.B.2.c 1.NBT.C.4 1.NBT.C.5 1.NBT.C.6 2.NBT.B.5 2.NBT.B.9 MP7 MP8