figures is less than 10 add zero before unit digit Ex 81x21 ‚ 1x1=01‚( 8x2)+1= 16+1=17 Required answer 1701 Method for multiplying numbers where the first number"s add up10 and and the second number’s digits are same 46X55 Here first number’s add up is 10 and second number "s digits are common i.e 5 Just multiplying last figures of both numbers 6x5 =30 put it at right hand side Again multiplying first figures of both numbers and add common digit of second number (4x5)+5 =20+5 =25 put it left
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she will tell you the answer to these steps: When Is Your Birthday? The last digit is 9‚ and the rest are her change! 1. 2. 3. 4. 5. 6. 2 Ask someone to follow these steps: 1. 2. 3. 4. 5. 6. 7. Multiply the number of the month by 5. Add 7. Multiply by 4. Add 13. Multiply by 5. Add the day of the month. Subtract 205. The last two digits are the day of the month‚ and the first digit(s) is the month number. (To make this seem more amazing‚ have them tell you the
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Manipulative Paper: Base Ten Blocks Base ten blocks are an exceptional learning tool for elementary and middle school students. They let students easily visualize addition‚ subtraction‚ multiplication‚ and division and offer an alternative way of viewing a problem and developing an answer. For the most part‚ base ten blocks can be extremely useful in the knowledge and skills portion of the TEKS. The number‚ operation‚ and quantitative reasoning section of the knowledge and skills portion of
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Code 1: 1. Write a c program to reverse a given number 2. C program to find reverse of a number 3. C program to reverse the digits of a number 4. Reverse of a number in c using while loop #include int main(){ int num‚r‚reverse=0; printf("Enter any number: "); scanf("%d"‚&num); while(num){ r=num%10; reverse=reverse*10+r; num=num/10; } printf("Reversed of number: %d"‚reverse); return 0; } Sample output: Enter any number:
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the ‘squaring of numbers ending in 5’. Consider the example 252. Here the number is 25. We have to find out the square of the number. For the number 25‚ the last digit is 5 and the ’previous’ digit is 2. Hence‚ ’one more than the previous one’‚ that is‚ 2+1=3. The Sutra‚ in this context‚ gives the procedure ’to multiply the previous digit 2 by one more than itself‚ that is‚ by 3’. It becomes the L.H.S (left hand side) of the result‚ that is‚ 2 X 3 = 6. The R.H.S (right hand side)
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91‚ 91‚ 92‚ 92‚ 95‚ 98‚ 99 Since the data range from 56 to 99‚ the stems range from 5 to 9. To plot the data‚ make a vertical list of the stems. Each number is assigned to the graph by pairing the units digit‚ or leaf‚ with the correct stem. The score 56 is plotted by placing the units digit‚ 6‚ to the right of stem 5. Stem 5 6 7 8 9 Leaf 69 459 013678 02256 1122589 a. What type of graph does a stem and leaf plot represent when turned vertically? Histogram b. What was the lowest score
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has three hundreds‚ five tens and six ones? _____5. What number is missing in 39+ ( ) =97? _____6. In 3‚078‚ the 0 means there are no______. _____7. In 856=800+50+6=800+40+N? _____8. What number is 125 less than 756? _____9. What is the smallest 4-digit number that you can make with 0‚2‚5‚8? _____10. What is the last letter in the English alphabet? _____11. Mother has 60 cookies for Jane and her 11 friends. If mother gives them an equal number of cookies‚ how many cookies did each receive? _____12
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2. Problem from SAKUNTALA DEVI ’PUZZLES TO PUZZLE U’. Problem no: 23( Walking back to happiness.) The walking time : 55 mins. 1. There are twelve consecutive flags at an equal interval of distance. A man passes the 8th flag in 8 seconds. How many more seconds will he take to pass the remaining 4 flags ? 2. A person has to cover the fixed distance through his horses. There are five horses in the cart. They ran at the full potential for the 24 hours continuously at constant speed and then two of
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How many significant figures should we take for the answer? The relative uncertainty of each numbers = 45.0118 x = 4.50 ‚ 45.0118 (2 sig. figures) ‚ Addition and subtraction 5.74 + 0.823 + 2.651 = 9.214 How many significant figures should we take for the answer? 5.74 + 0.823 + 2.651 9.214 9.21 (2 decimal places) Logarithms and antilogarithms • In a logarithm of a number‚ keep as many digits to the right of the decimal point as there are significant figures
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and prints the simple interest using the formula : Simple Interest = PTR / 100 input values P‚T‚R should be accepted as command line input as below. e.g. java Simple Interest 5 10 15 3. Write a program to compute sum of digits of a given number. (Hint: Separate digits one by one from the number and then add) 4. Write a program that prints prime numbers between 1 to n. Number n should be accepted as command line input 5. Write a program that converts a decimal number to Roman number. Decimal
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