Rounding to Decimal Places 10 multiple choice questions

Rounding to Decimal Places 10 multiple choice questions

Round to 1 dp 0. 34 A) 0. 4 B) 0. 3 C) 0. 35 D) 3

Round to 1 dp 0. 48 A) 0. 49 B) 0. 4 C) 0. 47 D) 0. 5

Round to 1 dp 2. 75 A) 2. 8 B) 2. 74 C) 2. 7 D) 3. 0

Round to 1 dp 13. 374 A) 13. 0 B) 14. 0 C) 13. 3 D) 13. 4

Round to 1 dp 26. 519 A) 25. 0 B) 26. 6 C) 26. 0 D) 26. 5

Round to 2 dp 23. 1782 A) 23. 20 B) 23. 18 C) 23. 10 D) 23. 17

Round to 2 dp 500. 8251 A) 500. 80 B) 500. 8 C) 500. 83 D) 500. 84

Round to 3 dp 0. 00417 A) 0. 00417 B) 0. 004 C) 0. 00418 D) 0. 005

Round to 2 dp 4. 999 A) 4. 99 B) 4. 90 C) 5. 00 D) 4. 98

Round to 4 dp 0. 72995 A) 0. 7300 B) 0. 7390 C) 0. 7210 D) 0. 7399

Decimal Places • When we round to decimals, we start counting as soon as we reach the decimal point. Round 17. 46789 to 2 decimal places 1 decimal place 2 decimal places, this will stay a 6 or go to a 7 depending on what the next number is

Significant Figures • When we round to significant figures, we start counting as soon as we reach a number that is not zero Round 17. 46789 to 2 significant figures 1 significant figure 2 significant figures, this will stay a 7 or go to a 8 depending on what the next number is All the numbers after will become zero Round 17. 46789 to 2 decimal places= 17. 00000 or just 17

Round to 1 sf 43 07 08 50 03 07 Look at the next number It’s more than 4 so we round up!

Round to 3 sf 3 7 8 04 03 07 Look at the next number It’s less than 5 so we round down!

Round to 2 sf 0. 0 0 2 98 9 Look at the next number It’s more than 4 so we round up!

Round to 3 sf 0. 0 0 2 0 98 7 Look at the next number It’s more than 4 so we round up!

Rounding to Significant Figures Main 1. When you are rounding to decimal places you start counting after the decimal point, but with significant figures you start counting at the first non zero number 2. i. 1000 1500 1460 ii. 200 160 157 iii. 40 37 37. 1 iv. 6 6. 1 6. 09 v. 0. 00640 3. a) 4. 7 b) 0. 058 c) 0. 19 d) 540

Rounding to Significant Figures (sig fig or s. f) 10 multiple choice questions

Round- 0. 23 to 1 s. f A) 0. 3 B) 2 C) 0. 2 D) 3

Round- 0. 045 to 1 s. f A) 0. 04 B) 0. 1 C) 0. 0 D) 0. 05

Round- 623 to 1 s. f A) 600 B) 620 C) 630 D) 700

Round- 5328 to 1 s. f A) 5300 B) 5000 C) 5330 D) 6000

Round- 0. 005136 to 2 s. f A) 0. 01 B) 0. 0050 C) 0. 00514 D) 0. 0051

Round- 426. 213 to 2 s. f A) 426. 21 B) 430 C) 400. 00 D) 420

Round- 3002. 01 to 3 s. f A) 300 B) 3000 C) 3010 D) 3002. 0

Round- 983. 4 to 1 s. f A) 100 B) 900 C) 980 D) 1000

Round- 0. 00456 to 2 s. f A) 0. 0045 B) 0. 004 C) 0. 0046 D) 0. 00

Round- 36345. 3 to 3 s. f A) 36300 B) 4000 C) 36000 D) 45300