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Doubling Numbers Up to 20 - Addition WORKSHEET

Suitable for Grades: 1st Grade, 2nd Grade

CCSS: 1.NBT.C.4, 2.NBT.B.5

CCSS Description: Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.

Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

Doubling Numbers Up to 20 - Addition WORKSHEET DESCRIPTION

Here students can use numbers lines to aid them in the doubling of numbers up to 20.

All questions are presented as addition, for example 8 + 8. There are eight questions altogether, each with its own number line. Learners will practice doubling single and two digit numbers as well as both odd and even numbers. Some numbers require regrouping, for example 17 + 17 but using a number line can eliminate this if preferred.

All worksheets are created by the team of experienced teachers at Cazoom Math.

Doubling Numbers Up to 20 - Addition Worksheet Suitable for 1st Grade and 2nd Grade Students

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Frequently Asked Questions

This worksheet is designed for 1st grade and 2nd grade students who are developing their addition skills. The focus on doubling numbers up to 20 makes it perfect for students at these grade levels who are building foundational math concepts. The visual support of number lines helps younger learners grasp the concept more easily.

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