Unit A - C Math Review

10 Times Comparing Numbers Mystery 10 20 30 40 50 Rounding Any Thousand Word Problems Mystery 10 20 30 40 50

What number is 10 times greater than 4,295? Question 1 - 10 What number is 10 times greater than 4,295?

Answer 1 – 10 42,950

What number is 10 times smaller than 61,890? Question 1 - 20 What number is 10 times smaller than 61,890?

Answer 1 – 20 6,189

What number is 10 times less than 355,900? Question 1 - 30 What number is 10 times less than 355,900?

Answer 1 – 30 35,590

What number is 10 times greater than 389,509? Question 1 - 40 What number is 10 times greater than 389,509?

Answer 1 – 40 3,895,090

Question 1 - 50 What number is 10 times bigger than 2,457 and 10 times smaller than 245,700?

Answer 1 – 50 2,457

Compare the following numbers: Question 2 - 10 Compare the following numbers: 2 hundred thousands & 20,000

Two hundred thousands > 20,000 Answer 2 – 10 Two hundred thousands > 20,000

Compare the following two numbers: 300 thousands 7 hundreds 307,000 Question 2 - 20 Compare the following two numbers: 300 thousands 7 hundreds 307,000

300 thousands 7 hundreds < 307,000 Answer 2 – 20 300 thousands 7 hundreds < 307,000

Question 2 - 30 Arrange the following numbers from least to greatest: 8,125 80,098 8,127

Answer 2 – 30 8,125 8,127 80,098

Question 2 - 40 Arrange the following numbers from greatest to least: 75,804 78,450 75,408

Answer 2 – 40 78,450 75,804 75,408

Compare the following numbers: 20 hundred thousands 2,000,000 Question 2 - 50 Compare the following numbers: 20 hundred thousands 2,000,000

Answer 2 – 50 20 hundred thousands = 2,000,000

Round 689 to the nearest thousand. Question 3 - 10 Round 689 to the nearest thousand.

Answer 3 – 10 1,000

Round 1,948 to the nearest thousand. Question 3 - 20 Round 1,948 to the nearest thousand.

Answer 3 – 20 2,000

Round 8,850 to the nearest ten thousand. Question 3 - 30 Round 8,850 to the nearest ten thousand.

Answer 3 – 30 10,000

Round 550,005 to the nearest hundred thousand. Question 3 - 40 Round 550,005 to the nearest hundred thousand.

Answer 3 – 40 600,000

Round 998,877 to the nearest ten thousand. Question 3 - 50 Round 998,877 to the nearest ten thousand.

Answer 3 – 50 1,000,000

Question 4 - 10 Raymond James Stadium holds 34,850 fans. If the city of Tampa’s population is 10 times bigger than this stadium’s capacity, how many people live in Tampa?

Answer 4 – 10 348,500 people

Question 4 - 20 Sanders Memorial Elementary has 724 students. What is this number in expanded form and word form?

700 + 20 + 4 seven hundred twenty-four Answer 4 – 20 700 + 20 + 4 seven hundred twenty-four

Question 4 - 30 Estimate the sum of the following numbers by rounding to the thousands place. 138,580 + 85,284

Answer 4 – 30 139,000 + 85,000 = 224,000

Question 4 - 40 Arizona is 114,007 square miles. California is 158,648 square miles. Nevada is 110,567 square miles. Montana is 147,047 square miles. Arrange the states in order from least to greatest.

Nevada 110,567 Arizona 114,007 Montana 147,047 California 158,648 Answer 4 – 40 Nevada 110,567 Arizona 114,007 Montana 147,047 California 158,648

Question 4 - 50 The population of Venice, FL was 119,964 in 1996. In 2000 the population had increased by about 30,000. About how many people lived in Venice in 2000?

Answer 4 – 50 120,000 + 30,000 = 150,000

What form is this? nine thousand, three hundred and sixty-four Question 5 - 10 What form is this? nine thousand, three hundred and sixty-four

Answer 5 – 10 Word Form

Question 5 - 20 What form is this? 59,490

Answer 5 – 20 Standard Form

Question 5 - 30 Write the number forty-nine thousand, three hundred eighty-one in expanded form.

Answer 5 – 30 40,000 + 9,000 + 300 + 80 + 1

What is 580,038 in expanded form and word form? Question 5 - 40 What is 580,038 in expanded form and word form?

500,000 + 80,000 + 30 + 8 five hundred eighty thousand, thirty-eight Answer 5 – 40 500,000 + 80,000 + 30 + 8 five hundred eighty thousand, thirty-eight

Question 5 - 50 Write the following number in standard and word form. 5,000,000 + 10,000 + 3,000 + 600 + 9

5,013,609 five million, thirteen thousand, six hundred nine Answer 5 – 50 5,013,609 five million, thirteen thousand, six hundred nine

Final Created by Educational Technology Network. www.edtechnetwork.com 2009

Final Question Make a wager of the money that you have left. You can bet up to all of the money. Minimum bet is 10. Remember if you get the question right you earn that many points. If you get it wrong, you lose that many points.

Final Question At President Obama’s inauguration in 2013, the newspaper stated that there were about 800,000 people in attendance. If the newspaper rounded to the nearest hundred thousand, what is the greatest number of people who could have been there?

Final Question 849,999