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 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