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• problems are shown in vertical form
• all numbers are single or two-digit numbers
• all results are under 120
• problems include addition and subtraction with and without regrouping.
• 44 pages

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# Addition and Subtraction of 2-digit numbers. Math Worksheets for 1st grade

Counting is a fundamental math skill that first graders must master. Our Math Worksheets for Grade 1: Double Digit Addition and Subtraction help children master this skill.

This set is suitable for 6-7-year-old students to polish their ability to add and subtract.

Using this worksheet, you can effectively prepare children to add, subtract, and consolidate these skills. Plus, we selected and ordered problems so children could solve them with minimal help.

In these worksheets, students learn to solve addition and subtraction problems shown in vertical form with and without regrouping. All numbers are single or two-digit numbers; all answers are under 120. As a result, children acquire the skills to add and subtract numbers while completing the problems,

The worksheets have levels of difficulty:

• mixed double-digit addition and subtraction without regrouping
• mixed double-digit addition and subtraction with regrouping

These worksheets provide an excellent educational resource for parents and teachers to use both at school and at home.

Available as PDF-printable worksheets or as a hard copy.

44 pages

### Common Core Math Standards:

• 1.OA.1; 1.OA.2; 1.OA.3; 1.OA.4; 1.OA.5; 1.OA.6; 1.OA.7; 1.OA.8;
• 1.NBT.1; 1.NBT.2; 1.NBT.3; 1.NBT.4; 1.NBT.5; 1.NBT.6;
• 2.OA.2;
• 2.NBT.5; 2.NBT.6; 2.NBT.7; 2.NBT.9;

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