Adding and Subtracting by 10s Worksheet

Premium Resource

Grades

Standards

1.NBT.B.3
1.NBT.C.4
1.NBT.C.5

Formats

About the Worksheet

The "Adding and Subtracting by 10s" worksheet is a valuable resource for students learning to add and subtract multiples of 10 from two-digit numbers. It provides ample practice opportunities for mastering this essential math skill.

This interactive and printable worksheet, is designed to reinforce the concept of adding and subtracting by 10s, which is a crucial building block for more advanced arithmetic operations. The exercises challenge students to apply their understanding of place value and number patterns, fostering a deeper comprehension of the number system.

What will your child learn through this worksheet?

Through this worksheet, your child will learn to:

Recognize patterns when adding or subtracting 10 from a two-digit number
Develop fluency in mental math strategies for adding and subtracting by 10s
Reinforce place value understanding by observing the changes in the ones and tens digits
Gain confidence in performing addition and subtraction calculations involving multiples of 10

Learning Outcomes

Cognitive Objectives:

Understand the relationship between adding/subtracting 10 and the place value system
Identify patterns and strategies for efficient mental calculations involving 10s
Apply knowledge of place value to accurately solve addition and subtraction problems involving 10s

Psychomotor Objectives:

Develop fluency in performing mental math calculations involving adding and subtracting by 10s
Practice writing numbers correctly and neatly

Affective Objectives:

Build confidence in arithmetic abilities
Develop a positive attitude towards learning and practicing math skills

Common Core Standards Covered

1.NBT.B.3

Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <.

1.NBT.C.4

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.

1.NBT.C.5

Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.