Standard 2.OA.2 |
Student Task |
Learning Objectives |
Student Work |
Assessment Tools |
Add and subtract within 20. Fluently add and subtract within 20 using mental strategies. By the end of Grade 2, know from memory all sums of two one-digit numbers.
(www.nysed.gov
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The students sing a doubles fact song through using their rhythmic and mental skills. |
Students will orally add doubles facts up to 20 using a doubles fact song
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The students sing I Can Add Doubles song with the lyrics and then once more from memory. |
The Students answer six (6) questions for their Doubles Pre-Assessment. This is worth four (4) points total. The students are required to answer four number sentence problems and then two (2) word problems. |
The students will add three doubles facts within twenty then sort them in two vortexes: either doubles fact or non-doubles fact. |
Students will add doubles facts within 20 to physically separate them from non-double facts on a SMART board |
The students complete double facts on the SMART board. The first two double facts provide picture support. The last eight problems require students to find the missing addend and/ or sum |
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Students will write the missing addend or sum for each double fact |
Students will add or subtract a doubles fact within 20 to find the missing part or sum. |
The students will complete pages 41 and 42 of the Envision Math Worksheet. |
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Supporting Standard 2.RF.4a Read with sufficient accuracy and fluency to support necessary comprehension. (www.nysed.gov |
Students will read to solve double fact word problems |
Students will complete page 42 on the Envision Math Worksheet. Page 42 requires the students to read the word problems, and then to write a word problem of their own. |
The Doubles Post-Assessment consists of thirteen questions. It is worth 16 points. This assessment requires the students to draw the problem, solve for missing doubles, and to answer two multiple choice word problems. |