## How do you calculate faster than a calculator?

Start by taking the first digit of the first number (2 for 24) and multiplying that by the number directly higher than it, which will give you the first digit(s) of the answer. So for 24 multiplied by 26, it would be 2 (first digit in first number) multiplied by 3 (one digit higher) = 6.

## How can I add to my mind?

1. Count From A Number Upwards. Example: 6 + 3.
2. Jump Strategy. We can also count by 2s or 10s, or make any “jumps” we want to help us solve a calculation.
4. Do The Tens Last.
5. Aim for Ten.
6. Compensation Method.
7. Double when the numbers are the same.
8. Double if the numbers are close, then fix.

79%

0.3

## What is the easiest way to work out percentages without a calculator?

If you need to find a percentage of a number, here’s what you do – for example, to find 35% of 240: Divide the number by 10 to find 10%. In this case, 10% is 24. Multiply this number by how many tens are in the percentage you’re looking for – in this case, that’s 3, so you work out 30% to be 24 x 3 = 72.

## What grade is a 79 percent?

How to Convert Your GPA to a 4.0 Scale

B+ 87-89 3.3
B 83-86 3.0
B- 80-82 2.7
C+ 77-79 2.3

## How do you find 3%?

Example 2. Find 3% of \$4,000. First write it as 0.03 × \$4,000. Then multiply 3 × \$4,000 = \$12,000. Lastly put the decimal point where it gives the answer two decimal digits: \$120.00.

## What is a 79 out of 100 grade?

83 – 86 B
80 – 82 B-
77 – 79 C+
73 – 76 C

1. Stay Calm. When you get your paper or test back and see the bad grade on it, your first reaction may be to instantly rip up the paper and toss it into a fire.
2. Take Time to Process. Take a few hours or days to understand the grade you got.
3. Evaluate What You Did Wrong.
4. Ask the Professor for Feedback.
5. Accept and Move On.

## How do you get an A+ on a test?

The 21 Secrets of A+ Students

3. Start assignments immediately.
5. Break tasks down into manageable chunks.
7. Find an environment with few distractions.
8. Study smart not hard.

## How do I get A’s in math?

Here are Brodkey’s top ten tips for performing well in math.

1. Do all of the homework.
2. Fight not to miss class.
3. Find a friend to be your study partner.
4. Establish a good relationship with the teacher.
5. Analyze and understand every mistake.
6. Get help fast.