Some commonplace tips and practices are so helpful and straightforward that they can benefit more than one generation. But after time, they become “grandma’s tips” since they are somehow forgotten.

Count down the time until dusk.

Your hand should be extended such that the sun “lies” on your index finger. Keep your fingers together. Now add up how many fingers are on the horizon. Each finger represents the remaining time until dusk, which is about 15 minutes.

Know how many days there are in a month.

Start counting the months with the knuckles of your fist. Every crack and space is a distinct month. If you’re counting with one hand and you’ve reached the limit, start over with the index finger knuckles.
There are 31 days if the month is on the knuckle bump. If the gap is included, it’s 30 days or less.

Identify whether the moon is waxing or waning.

Utilize the shapes of the letters D, O, and C to instruct your child on how to estimate the moon phase. O is the full moon, D is the first quarter, and C is the third.

Memory game

You can use the phrase “yeah, dear, she Loves Xtra Vitamins Intensely” to help you memorize Roman numerals. Roman numerals are represented by the words’ initial letters in the following order: M (1,000), D (500), C (100), L (50), X (10), V (5), and I (1).

Verify the condition of the batteries.

A good battery can easily be distinguished from a defective one. Two batteries should be raised 1-2 cm above a table before falling. The falling and bouncing battery is depleted.

Finger multiplication

Children typically remember how to multiply little numbers quickly, but they struggle with the digits 6, 7, 8, and 9. Teach your child a quick trick to assist them in this.Put your palms up against your face. Starting with the little finger, assign a number between 6 and 10 to each digit. Now, for instance, join fingers 7 and 8 on the left and right hands, respectively, to multiply 7 by 8. With the connected fingers added in, the number of fingers at the bottom equals ten (we had five). The fingers at the top represent units, so you must multiply them among one another (in our example, multiply 3 by 2). Answer: 56/7/8. In this method, you can swiftly multiply by 6, 7, and 8.

Straighten your fingers and place your hands on a table with the palms facing down to multiply by 9. Now, simply bend the finger that corresponds to the amount you want to multiply by 9. “Before” fingers denote tens; “after” fingers, units. For instance, bend the seventh finger while multiplying 7 by 9. There are still 6 fingers “before” and 3 fingers “after.” The solution is 79 x 63.

Length

If you need to measure something roughly but don’t have a ruler handy, you can use the fingers of one hand. The distance between the tips of the thumb and forefinger is around 18 cm (7′′), and the distance between the thumb and little finger is approximately 20 cm (7.87′′), according to normal human dimensions.Of course, since everyone of us has a distinct hand size, this method isn’t entirely correct. However, if you need to measure a large object with a little ruler, you can do so by measuring the space between your fingers beforehand.

Know the angle’s degrees

Put your hand on the surface you want to measure the angle of, then spread your fingers as widely as possible. The little finger placement should indicate 0 degrees on the bottom side. The little finger and thumb will form a 90° angle, and the angles between the little finger and the other fingers will be 30°, 45°, and 60°, respectively.