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# (1.OA.8) Unknown Numbers -1st Grade Common Core Math Worksheets-2nd 9 Weeks

Common Core Standards
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3.8
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PDF (Acrobat) Document File

117 KB|10 pages
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Product Description
You are purchasing Common Core math practice sheets aligned to assessment tasks. There is a practice sheet for every day of the week and a test for Friday.

The attachment consists of 10 worksheets designed to reinforce math skills during the 2nd 9 weeks of school. There are two sheets for each day that can be copied front and back to save paper. The front sheet focuses on the weekly target skill and the back side of the sheet is a review of previously taught skills.

This particular set of sheets focuses on Common Core Math Standard:1.OA.8: Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.

In this set of sheets, students will use an Open Number Line to find the unknown number. The problems consist of numbers within 12 to help them get use to using an open number line to solve equations.

The back side of the paper is a REVIEW of the following skills:
1.OA.6 Complete Number Bonds using Make 10 strategy
1.OA.3 Properties of Operations - Make the number sentence true
1.OA.1 Word Problems with numbers within 12

The last two sheets in the set are designed to be an assessment and are aligned to the other practice sheets in the set.

Other Related Products…
These sheets were created in the order listed. However, you can very easily mix and match the sheets to match your county or state pacing guide.
1st Grade Common Core Math Worksheets – 1st 9 weeks
1st Grade Common Core Math Worksheets – 2nd 9 weeks
1st Grade Common Core Math Worksheets – 3rd 9 weeks
1st Grade Common Core Math Worksheets – 4th 9 weeks

Please email me if you see any typos or errors. I will correct the mistakes and quickly send the product back to you. You can email me directly at tsgent@gmail.com.
Total Pages
10 pages
N/A
Teaching Duration
1 Week
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