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Details for problem "Add and subtract sibling numbers"

Quickname: 8802

Suitable for K-12 grades: Grade 1 Grade 2 Grade 3

Elementary School, Primary School.

Summary

Add and sub sibling numbers in the range from 1 to 100

Examples

Add and sub sibling numbers in the range from 1 to 100 (Beispiel für die Lösung) Add and sub sibling numbers in the range from 1 to 100 (Example for this math problem) Add and sub sibling numbers in the range from 1 to 100 (Example for this math problem)

Description

Sibling numbers are numbers whose sum is ten.

This task is used to train sibling numbers that add up to ten.

For this purpose, problems are presented where a two-digit number and a one-digit number must be added or subtracted. With addition, the next tenner is reached, with subtraction the first number is itself a tenner.

It is selectable whether all numbers (1-9) or only a certain number is to be trained. In addition, a trick question can be scattered where the above conditions do not apply.


Topics: Arithmetic Number spaces Whole Numbers

Tags: Addition Subtraction

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Customization options for this problem

Parameter
Possible values
Number of problems
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
Number to practice
1-9, 1, 2, 3, 4, 5, 6, 7, 8, 9
Plus/minus
Mixed, Plus, Minus
Trick question
Yes, No


Creative Commons License
You may pass on the worksheets offered for download on this page to others, but not modify or sell them.
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.


Deutsche Version dieser Aufgabe
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