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Simple Addition Using Complementary Numbers (5) in The " " Column

This math lesson document provides 4 simple addition problems using numbers between 10-50 for students to practice solving using an abacus. Students are instructed to use their abacus to solve the problems by moving the beads even if they can do it mentally, in order to practice proper finger technique.

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alrighting619
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58 views1 page

Simple Addition Using Complementary Numbers (5) in The " " Column

This math lesson document provides 4 simple addition problems using numbers between 10-50 for students to practice solving using an abacus. Students are instructed to use their abacus to solve the problems by moving the beads even if they can do it mentally, in order to practice proper finger technique.

Uploaded by

alrighting619
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Abacus Math Lesson 10:

Simple Addition using Complementary Numbers (5) in the “tens” column

11 13 14
+ 4 + 2 + 1

12 14 12
+ 3 + 11 + 13

21 32 40
+ 14 + 23 + 17

2 11 51
+ 43 + 54 + 44

54 45 22
+ 1 + 13 + 36

Use your abacus to solve these problems. Even if you can do them in your head, still work them through with the beads
on your abacus using correct finger position.

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