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Adding and Subtracting Whole Numbers Estimating Sums and Differences Problem Solving: Missing or Extra Information Adding Whole Numbers Subtracting Whole Numbers – With and Without Zeros Problem Solving: Draw a Picture or Write an Equation Bonus Question: 5000 pts

Estimating Sums and Differences 200 Question: Estimate the sum: Answer: 1,000

Estimating Sums and Differences 400 Question: Estimate by rounding to the nearest ten 6, ,842 Answer: 10,160

Estimating Sums and Differences 600 Question: Estimate by rounding to the nearest hundred 9, ,033 Answer: 5,200

Estimating Sums and Differences 800 Question: Is 976 – 552 more or less than 400? Explain how you can tell without actually subtracting. Answer: It is MORE than. I can round 976 to 1000 and 552 to 500. When I use mental math to find the difference of , the difference is is MORE than 400.

Estimating Sums and Differences 1000 Question: The fourth graders are helping raise money for the local animal shelter. They hoped to raise $1000. So far they have made $465 in bake sales and $710 in T-shirt sales. About how much more than $1000 have they raised? Answer: $200. I estimated 465 to 500 and 710 to 700. I used mental math and added The estimated sum is is greater than 1000 by 200. So the fourth graders raised about $200 more than their $1000 goal.

Problem Solving: Missing or Extra Information 200 Question: A notebook costs $2.68 and a pen costs $1.79. Does Jasmine have enough money to buy a notebook and two pens? Answer: Not enough information. I need to know how much money Jasmine has.

Problem Solving: Missing or Extra Information 400 Question: There are 35 football players on the school football team. The remaining sports teams have 40 members. How many students participate on school sports teams? Answer: I have enough information to solve the problem. 75 students participate on school sports teams.

Problem Solving: Missing or Extra Information 600 Question: Kayla ate four tacos (she was very hungry!) and an apple for lunch. The tacos had 260 calories. How many calories did Kayla eat for lunch? Answer: Not enough information. I need to know the number of calories in the apple.

Problem Solving: Missing or Extra Information 800 Question: Tori spent 30 minutes doing her homework after school. Then she read her novel. Her little brother laughed at her while she was reading. How much time did Tori spend doing her homework and reading her novel? Answer: Not enough information. I need to know how long Tori read her novel.

Problem Solving: Missing or Extra Information 1000 Question: Mrs. Smith bough school supplies for her two children, Jason and Kevin. Jason is two years older than Kevin and is fourth grade. She spent $38 for Kevin’s supplies and $46 for Jason’s supplies. If she paid with $100, how much change did she get back? Answer: The extra information in the word problem is: Jason is two years older than Kevin and is fourth grade. To solve the problem I added $38 + $46. The sum is $84. I then found the difference between $100 and $84. The difference is $16. Mrs. Smith’s change back is $16.

Adding Whole Numbers 200 Question: Find the sum: Answer: 1,099

Adding Whole Numbers 400 Question: Find the sum: 2, Answer: 3,438

Adding Whole Numbers 600 Question: Find the sum: 38, ,681 Answer: 84,612

Adding Whole Numbers 800 Question: Find the sum: 1, __ 976 Answer: 2,610

Adding Whole Numbers 1000 Question: The population of New City is 23,945. Eastdale has a population of 12,774. A movie theater can hold up to 350 people. What is the total population of the communities? Answer: The total population is 36,719.

Subtracting Whole Numbers 200 Question: Subtract Answer: 548

Subtracting Whole Numbers 400 Question: Subtract 5, ,158 Answer: 3,058

Subtracting Whole Numbers 600 Question: Subtract Answer: 229

Subtracting Whole Numbers 800 Question: Subtract 8, ,999 Answer: 5,107

Subtracting Whole Numbers 1000 Question: Subtract 14, ,569 Answer: 10,438

Problem Solving: Draw a Picture or Write an Equation 200 Question: Each school day, Mikaela sold the same number of tickets to the school play. On Monday, she sold 4 tickets. How many tickets did she sell all together in 5 days? Day 1 Day 2 Day 3 Day 4 Day 5 Answer: 20 tickets 4

Problem Solving: Draw a Picture or Write an Equation 400 Question: Mr. Lee had 62 pencils at the beginning of the school year. at the end of the school year, he had 8 pencils left. How many pencils were given out during the year? 62 pencils in all Answer: 54 pencils 8

Problem Solving: Draw a Picture or Write an Equation 600 Question: Use the chart. What equation can you write to help you find the difference between the cost of the shirt and the shorts? Cost of Gym Clothes Answer: $19 - $12 = $7 Shirt$12 Shorts$19 Shoes$42 Socks$2 Hat$15

Problem Solving: Draw a Picture or Write an Equation 800 Question: Terry rode 15 rides before lunch at the country fair. He rode 13 rides after lunch. Each ride requires 3 tickets. Write an expression representing the number of rides he rode during the day. Answer:

Problem Solving: Draw a Picture or Write an Equation 1000 Question: It takes Terry 55 minutes to drive to work in the morning. He drove 12 minutes and then stopped for coffee. He drove another 27 minutes and stopped to get gas. How much time will he be in the car before he gets to work? Write a number sentence and solve. Answer: ( ) = – 39 = minutes

Bonus Question: 5000 pts. Question: Maria flew from her home city of Boston to Atlanta, 946 miles, back home to Boston, and then back to Atlanta. Her sister flew from Boston to Atlanta, 946 miles. How many miles did Maria fly altogether? Write a number sentence and solve. Answer: ( ) = 2,838 miles

The Winner Of The Last Round Write Down How Much Money You Are Willing To Risk If you get the question write you win that money! If you get the question wrong you lose the money!

The Winner Of The Last Round Write Down How Much Money You Are Willing To Risk If you get the question write you win that money! If you get the question wrong you lose the money!