Mental maths. Simple level exercises

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Яна Малова. Mental maths. Simple level exercises

MENTAL MATHS. SIMPLE. EXERCISES

1 VARIANT

5 SECTION (DOUBLE FIGURES 10+, +10)

6 SECTION (DOUBLE FIGURES 20+, +20)

7 SECTION (DOUBLE FIGURES 30+, +30)

8 SECTION (DOUBLE FIGURES 40+, +40)

9 SECTION (DOUBLE FIGURES 50+, +50)

10 SECTION (DOUBLE FIGURES 60+, +60)

11 SECTION (DOUBLE FIGURES 70+, +70)

12 SECTION (DOUBLE FIGURES 80+, +80)

13 SECTION (DOUBLE FIGURES 90+, +90)

2 VARIANT

5 SECTION (DOUBLE FIGURES 10+, +10)

6 SECTION (DOUBLE FIGURES 20+, +20)

7 SECTION (DOUBLE FIGURES 30+, +30)

8 SECTION (DOUBLE FIGURES 40+, +40)

9 SECTION (DOUBLE FIGURES 50+, +50)

10 SECTION (DOUBLE FIGURES 60+, +60)

11 SECTION (DOUBLE FIGURES 70+, +70)

12 SECTION (DOUBLE FIGURES 80+, +80)

13 SECTION (DOUBLE FIGURES 90+, +90)

3 VARIANT

5 SECTION (DOUBLE FIGURES 10+, +10)

6 SECTION (DOUBLE FIGURES 20+, +20)

7 SECTION (DOUBLE FIGURES 30+, +30)

8 SECTION (DOUBLE FIGURES 40+, +40)

9 SECTION (DOUBLE FIGURES 50+, +50)

10 SECTION (DOUBLE FIGURES 60+, +60)

11 SECTION (DOUBLE FIGURES 70+, +70)

12 SECTION (DOUBLE FIGURES 80+, +80)

13 SECTION (DOUBLE FIGURES 90+, +90)

4 VARIANT

5 SECTION (DOUBLE FIGURES 10+, +10)

6 SECTION (DOUBLE FIGURES 20+, +20)

7 SECTION (DOUBLE FIGURES 30+, +30)

8 SECTION (DOUBLE FIGURES 40+, +40)

9 SECTION (DOUBLE FIGURES 50+, +50)

10 SECTION (DOUBLE FIGURES 60+, +60)

11 SECTION (DOUBLE FIGURES 70+, +70)

12 SECTION (DOUBLE FIGURES 80+, +80)

13 SECTION (DOUBLE FIGURES 90+, +90)

5 VARIANT

5 SECTION (DOUBLE FIGURES 10+, +10)

6 SECTION (DOUBLE FIGURES 20+, +20)

7 SECTION (DOUBLE FIGURES 30+, +30)

8 SECTION (DOUBLE FIGURES 40+, +40)

9 SECTION (DOUBLE FIGURES 50+, +50)

10 SECTION (DOUBLE FIGURES 60+, +60)

11 SECTION (DOUBLE FIGURES 70+, +70)

12 SECTION (DOUBLE FIGURES 80+, +80)

13 SECTION (DOUBLE FIGURES 90+, +90)

6 VARIANT

5 SECTION (DOUBLE FIGURES 10+, +10)

6 SECTION (DOUBLE FIGURES 20+, +20)

7 SECTION (DOUBLE FIGURES 30+, +30)

8 SECTION (DOUBLE FIGURES 40+, +40)

9 SECTION (DOUBLE FIGURES 50+, +50)

10 SECTION (DOUBLE FIGURES 60+, +60)

11 SECTION (DOUBLE FIGURES 70+, +70)

12 SECTION (DOUBLE FIGURES 80+, +80)

13 SECTION (DOUBLE FIGURES 90+, +90)

7 VARIANT

5 SECTION (DOUBLE FIGURES 10+, +10)

6 SECTION (DOUBLE FIGURES 20+, +20)

7 SECTION (DOUBLE FIGURES 30+, +30)

8 SECTION (DOUBLE FIGURES 40+, +40)

9 SECTION (DOUBLE FIGURES 50+, +50)

10 SECTION (DOUBLE FIGURES 60+, +60)

11 SECTION (DOUBLE FIGURES 70+, +70)

12 SECTION (DOUBLE FIGURES 80+, +80)

13 SECTION (DOUBLE FIGURES 90+, +90)

8 VARIANT

5 SECTION (DOUBLE FIGURES 10+, +10)

6 SECTION (DOUBLE FIGURES 20+, +20)

7 SECTION (DOUBLE FIGURES 30+, +30)

8 SECTION (DOUBLE FIGURES 40+, +40)

9 SECTION (DOUBLE FIGURES 50+, +50)

10 SECTION (DOUBLE FIGURES 60+, +60)

11 SECTION (DOUBLE FIGURES 70+, +70)

12 SECTION (DOUBLE FIGURES 80+, +80)

13 SECTION (DOUBLE FIGURES 90+, +90)

9 VARIANT

5 SECTION (DOUBLE FIGURES 10+, +10)

6 SECTION (DOUBLE FIGURES 20+, +20)

7 SECTION (DOUBLE FIGURES 30+, +30)

8 SECTION (DOUBLE FIGURES 40+, +40)

9 SECTION (DOUBLE FIGURES 50+, +50)

10 SECTION (DOUBLE FIGURES 60+, +60)

11 SECTION (DOUBLE FIGURES 70+, +70)

12 SECTION (DOUBLE FIGURES 80+, +80)

13 SECTION (DOUBLE FIGURES 90+, +90)

10 VARIANT

5 SECTION (DOUBLE FIGURES 10+, +10)

6 SECTION (DOUBLE FIGURES 20+, +20)

7 SECTION (DOUBLE FIGURES 30+, +30)

8 SECTION (DOUBLE FIGURES 40+, +40)

9 SECTION (DOUBLE FIGURES 50+, +50)

10 SECTION (DOUBLE FIGURES 60+, +60)

11 SECTION (DOUBLE FIGURES 70+, +70)

12 SECTION (DOUBLE FIGURES 80+, +80)

13 SECTION (DOUBLE FIGURES 90+, +90)

Отрывок из книги

This manual includes all possible combinations of single and double digits at the level «SIMPLE» (addition). The collection contains more than 700 examples (10 options), divided into sections according to the composition of numbers. Each version has 13 sections (from single digits: 1 – 5 to double digits: 90+, +90).

The manual is designed to solve examples of mental arithmetic at the «SIMPLE» level on the abacus and mentally. It is recommended to use both for self-development of the acquired counting skills, and in preparation for classes and tests in mental arithmetic.

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The manual is designed to solve examples of mental arithmetic at the «SIMPLE» level on the abacus and mentally. It is recommended to use both for self-development of the acquired counting skills, and in preparation for classes and tests in mental arithmetic.

Malova Y.A. Methodist, the teacher of mental arithmetic, 2020.

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