Kindergarten Mathematics Module 4, Topic G | EngageNY

Kindergarten Mathematics Module 4, Topic G

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Topic G provides additional practice with formal subtraction concepts, including writing and solving number sentences with totals of 9 or 10. Lesson 33 moves quickly through concrete and pictorial representations of subtraction with students representing take from equations (C − B = A), with no unknown for totals to 10. “There were 10 cars in the parking lot. Two of them drove away. Now there are 8 cars left in the parking lot.” In Lesson 34, students solve subtraction story problems by breaking off, crossing out, and hiding a part and show their strategies with drawings and number sentences (MP.5). “I have 9 pencils. I’m going to hide 3 pencils in a box. How many pencils are not in the box?” Lessons 35–36 focus on decompositions of 9 and 10 using 5-groups, which are recorded as number sentences (K.OA.3). These decompositions differ from those in Topic F in that they are represented as subtraction number sentences (C – B = A) instead of addition sentences (C = __ + __ ). Students continue to focus on the grade level fluency goal during Fluency Practice, improving the speed and accuracy with which they can add and subtract numbers to 5 (K.OA.5).

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Common Core Learning Standards

CCLS State Standard
K.OA.1 Represent addition and subtraction with objects, fingers, mental images, drawings2, sounds (e.g.,...
K.OA.2 Solve addition and subtraction word problems, and add and subtract within 10, e.g., by using...
K.OA.3 Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects...

Curriculum Map