First Grade Operations & Algebraic Trifold Brochures | 1.OA.1 - 1.OA.8
Your first graders will master their operations & algebraic thinking skills with these great trifold brochures! Keep your students engaged with these no-prep activities. This resource covers addition and subtraction, counting, properties of operations, and unknown addend.. Can be used as morning work, centers, whole group, small group, homework, math intervention, and so much more. This set covers all common core standards for operations & algebraic thinking in the first grade. It is a part of my first-grade state standards math trifold brochure resources.
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This resource includes:
One trifold for each standard
One answer key for each trifold
- 1.OA.1- Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.
- 1.OA.2- Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.
- 1.OA.3- Apply properties of operations as strategies to add and subtract. Examples: If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.)
- 1.OA.4- Understand subtraction as an unknown-addend problem. For example, subtract 10 - 8 by finding the number that makes 10 when added to 8.
- 1.OA.5- Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).
- 1.OA.6- Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 - 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).
- 1.OA.7- Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false. For example, which of the following equations are true and which are false? 6 = 6, 7 = 8 - 1, 5 + 2 = 2 + 5, 4 + 1 = 5 + 2.
- 1.OA.8- Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? = 11, 5 = _ - 3, 6 + 6 = _.
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All rights reserved. Purchase of this unit entitles the purchaser a limited license for single person use only. You may utilize this resource for each of your students. Duplication for an entire school, an entire school system or commercial purposes is strictly forbidden without written permission from the publisher. The templates included in this resource may not be used to create something new, and or, distributed in anyway without written consent from the author, Heather Vanderboom.
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