Math Word Problems Addition and Subtraction Within 20 Story Problems Earth Day
Paula's Primary Classroom
5k Followers
Grade Levels
1st
Subjects
Resource Type
Standards
CCSS1.OA.A.1
CCSS1.OA.B.3
CCSS1.OA.B.4
CCSS1.OA.C.6
CCSS1.OA.D.8
Formats Included
- PDF
Pages
21 pages
Paula's Primary Classroom
5k Followers
Also included in
These flexible addition and subtraction story problems within 20 come as both no prep worksheets and as task cards for a math center! There are 31 themes with 10 problems each - 300 word problems in all! There are a variety of problem types so you can easily differentiate for the needs in YOUR classPrice $24.95Original Price $90.00Save $65.05
Description
These addition and subtraction word problems within 20 about Earth Day come as both no prep worksheets and as task cards for a math center, and will encourage students to think deeply about adding and subtracting! There are a variety of word problem / story problem types so you can easily differentiate for the needs in YOUR classroom!
Students will:
- draw,
- use tally marks,
- 10 frame,
- number bond,
- number line and
- write the equation
Includes 10 problems for:
- Find the sum
- Find the missing addend
- Find the remainder
- Find the missing subtrahend
Find this and 29 more titles at a huge discount in: Math Word Problems Addition and Subtraction Within 20 HUGE bundle!
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For more addition and subtraction word problems see:
- Addition and Subtraction Word Problems Within 100 Earth Day,
- Math Word Problems Addition and Subtraction Within 20 Easter Bunny & Eggs,
- Math Word Problems Addition and Subtraction Within 20 Insects, and
- Spring word problems for first grade.
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Total Pages
21 pages
Answer Key
Included
Teaching Duration
N/A
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Standards
to see state-specific standards (only available in the US).
CCSS1.OA.A.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.
CCSS1.OA.B.3
Apply properties of operations as strategies to add and subtract. 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.)
CCSS1.OA.B.4
Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8.
CCSS1.OA.C.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).
CCSS1.OA.D.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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