Use these number bonds to teach your young learners to add and subtract within 10 and 20. This file includes 4 activity sheets:
Number bonds to 10- addition
Number bonds to 20- addition
Number bonds to 10- subtraction
Number bonds to 20- subtraction
Common Core Standard
1.OA6 Add and Subtract with 20
Use these activity sheets to introduce 10 more and 10 less to your students. Allow students to draw an extra tens rod to represent adding 10. Students can mark out a tens rod when subtracting 10.
Common Core Standard
1.NBT.5 Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.
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Use these activity sheets to introduce, practice, and assess your students ability to add 3 two digit numbers. Use to meet Common Core Standard 1.OA.A.2 and then some. I created these activity sheets to challenge my first graders.
Without regrouping
Use this activity sheet to review or assess addition and subtraction word problems to 20. Includes addition and subtraction facts to 20.
Common Core Standard:
1.OA1 Use addition and subtraction within 20 to solve word problems.
Adding three whole numbers with word problems.
8 different word problem activity sheets.
Great sheets to introduce and teach word problems. These activity sheets have students break the word problem down into several parts. The students will draw a picture, make tally marks, use the number line, write the equation, and write the answer.
Common Core Standard:
1.OA2 Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20.
Set of 8 subtraction word problems, 4 within 10 and 4 within 20
Students will draw a picture, use a number line, write the equation, and write the answer. Allows students to see the answer several ways. Great for teaching students different ways to find the answers.
Common Core Standard:
1.OA1 Use addition and subtraction within 20 to solve word problems.
This file can be used to assess word problems to 10 or extra practice. This file includes a mixture of addition and subtraction word problem
Each word problem has a box for students to draw a picture.
Common Core Standard:
1.OA1 Use addition and subtraction within 20 to solve word problems.
Adding three whole numbers with word problems.
Great sheet to introduce and teach word problems. This activity sheet has students break the word problem down into several parts. The students will draw a picture, make tally marks, use the number line, write the equation, and write the answer.
Common Core Standard:
1.OA2 Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20.
Use this activity sheet to practice skills or to assess subtraction within 10. Number lines are amazing for providing a visual for subtraction. Allow students to use unifix cubes to make the number bonds a breeze.
Common Core Standard
1.OA6 Add and Subtract with 20
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Use these activity sheets to practice equal and not equal. These sheets would make great assessments as well. Includes addition and subtraction fact within 10.
2 sheets- circle equal or not equal
2 sheets- write equal or not equal
Addition story problems with sums less than 20. This set includes 6 worksheets with 5 story problems each for a total of 30 story problems. Great for practice or assessment.