Speed Counting. Addition and Subtraction
How to learn to calculate in your mind and without mistakes? It is so frustrating when teachers reduce grades for inattention. Speed counting exercises will help your child practice addition and subtraction skills. Just 16 days of regular practice for...
10-15 minutes, and you will notice the first results and good grades in the report card.
-we study using an effective method
-we calculate quickly without a calculator
-we solve without mistakes
Series: Скоросчет
Age restrictions: 6+
Year of publication: 2023
ISBN: 4606008586162
Number of pages: 16
Size: 260х200х2 mm
Cover type: soft
Weight: 60 g
ID: 1681087
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