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ROUNDING
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ROUNDING In real life we are going to come in contact with many different types of numbers:
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ROUNDING Some numbers are going to be very small and others are going to be very large or have a lot of digits. 2 4,274,378,135
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Round 4,695 to the nearest hundred Round 0.763 to the nearest tenth
ROUNDING We don’t need all of the digits, so we ROUND Round 4,695 to the nearest hundred Round to the nearest tenth
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PLACE VALUES TENS ONES TENTHS THOUSANDS HUNDREDS HUNDREDTHS MILLIONS
NAMES OF THE PLACE VALUES TENS ONES TENTHS THOUSANDS HUNDREDS HUNDREDTHS MILLIONS THOUSANDTHS TEN THOUSANDS HUNDRED THOUSANDS DECIMAL POINT
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PLACE VALUES 8 5 2 850 TENTHS HUNDREDTHS THOUSANDTHS 855 TENS ONES
ROUND TO THE NEAREST 10 851 852 2 5 8 TENTHS HUNDREDTHS THOUSANDTHS 853 854 855 TENS ONES 856 THOUSANDS HUNDREDS MILLIONS 857 TEN THOUSANDS HUNDRED THOUSANDS 858 859 860
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PLACE VALUES 8 5 7 850 855 TENS ONES THOUSANDS HUNDREDS MILLIONS
ROUND TO THE NEAREST 10 851 852 7 5 8 853 854 855 TENS ONES 856 THOUSANDS HUNDREDS MILLIONS 857 TEN THOUSANDS HUNDRED THOUSANDS 858 859 860
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PLACE VALUES 3 6 630 635 TENS ONES THOUSANDS HUNDREDS MILLIONS
ROUND TO THE NEAREST 10 631 632 6 3 633 634 635 TENS ONES 636 THOUSANDS HUNDREDS MILLIONS 637 TEN THOUSANDS HUNDRED THOUSANDS 638 639 640
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PLACE VALUES 2 8 5 280 285 TENS ONES THOUSANDS HUNDREDS MILLIONS
ROUND TO THE NEAREST 10 281 282 5 8 2 283 284 285 TENS ONES 286 THOUSANDS HUNDREDS MILLIONS 287 TEN THOUSANDS HUNDRED THOUSANDS 288 289 290
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PLACE VALUES 3 6 1 300 350 TENS ONES THOUSANDS HUNDREDS MILLIONS
ROUND TO THE NEAREST 100 310 320 1 6 3 330 349 350 TENS ONES 360 THOUSANDS HUNDREDS MILLIONS 370 TEN THOUSANDS HUNDRED THOUSANDS 380 390 400
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PLACE VALUES 7 5 2 700 750 TENS ONES THOUSANDS HUNDREDS MILLIONS
ROUND TO THE NEAREST 100 710 720 2 5 7 730 749 750 TENS ONES 760 THOUSANDS HUNDREDS MILLIONS 770 TEN THOUSANDS HUNDRED THOUSANDS 780 790 800
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PLACE VALUES 5, 7 3 8 5,700 5,750 TENS ONES THOUSANDS HUNDREDS
ROUND TO THE NEAREST 100 5,710 5,720 5, 7 3 8 5,730 5,749 5,750 TENS ONES 5,760 THOUSANDS HUNDREDS MILLIONS 5,770 TEN THOUSANDS HUNDRED THOUSANDS 5,780 5,790 5,800
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PLACE VALUES 1, 4 8 9 1,400 1,450 TENS ONES THOUSANDS HUNDREDS
ROUND TO THE NEAREST 100 1,410 1,420 1, 4 8 9 1,430 1,449 1,450 TENS ONES 1,460 THOUSANDS HUNDREDS MILLIONS 1,470 TEN THOUSANDS HUNDRED THOUSANDS 1,480 1,490 1,500
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PLACE VALUES 6, 3 1 4 6,000 6,500 TENS ONES THOUSANDS HUNDREDS
ROUND TO THE NEAREST 1000 6,100 6,200 6, 3 1 4 6,300 6,409 6,500 TENS ONES 6,600 THOUSANDS HUNDREDS MILLIONS 6,700 TEN THOUSANDS HUNDRED THOUSANDS 6,800 6,900 7,000
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PLACE VALUES 8, 5 3 9 8,000 8,500 TENS ONES THOUSANDS HUNDREDS
ROUND TO THE NEAREST 1000 8,100 8,200 8, 5 3 9 8,300 8,409 8,500 TENS ONES 8,600 THOUSANDS HUNDREDS MILLIONS 8,700 TEN THOUSANDS HUNDRED THOUSANDS 8,800 8,900 9,000
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PLACE VALUES 2, 1 6 4 2,000 2,500 TENS ONES THOUSANDS HUNDREDS
ROUND TO THE NEAREST 1000 2,100 2,200 2, 1 6 4 2,300 2,409 2,500 TENS ONES 2,600 THOUSANDS HUNDREDS MILLIONS 2,700 TEN THOUSANDS HUNDRED THOUSANDS 2,800 2,900 3,000
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PLACE VALUES 3 9, 8 7 1 39,000 39,500 TENS ONES THOUSANDS HUNDREDS
ROUND TO THE NEAREST 1000 39,100 39,200 3 9, 8 7 1 39,300 39,409 39,500 TENS ONES 39,600 THOUSANDS HUNDREDS MILLIONS 39,700 TEN THOUSANDS HUNDRED THOUSANDS 39,800 39,900 40,000
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YOUR TURN BAHAMIAN MATHEMATICS LEVEL A PAGE 15
#1, 2, 3 (a through e only)
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ROUNDING WITH DECIMALS
SAME AS WHOLE NUMBERS ROUND 3.42 TO THE NEAREST TENTH 3.41 3.42 3.43 3.44 3.46 3.47 3.48 3.49 3.4 3.5 3.45
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PLACE VALUES 3 4 2 1 2 3 4 5 6 7 8 9 ANSWER: 3.4 TENS ONES TENTHS
1 2 3 4 5 6 7 8 9 ROUND TO THE NEAREST TENTH 3 4 2 TENS ONES TENTHS THOUSANDS HUNDREDS HUNDREDTHS MILLIONS THOUSANDTHS TEN THOUSANDS HUNDRED THOUSANDS ANSWER: 3.4
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PLACE VALUES 6 8 7 1 2 3 4 5 6 7 8 9 ANSWER: 6.9 TENS ONES TENTHS
1 2 3 4 5 6 7 8 9 ROUND TO THE NEAREST TENTH 6 8 7 TENS ONES TENTHS THOUSANDS HUNDREDS HUNDREDTHS MILLIONS THOUSANDTHS TEN THOUSANDS HUNDRED THOUSANDS ANSWER: 6.9
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15.342 ROUND TO THE NEAREST Whole number ANSWER:15
LOOK AT THE VALUE OF PI ROUND TO THE NEAREST Whole number 15.342 ANSWER:15
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