A library had 1,285,600 books. It bought 248,750 more books and donated 126,430 books. How many books does it have now?, 1,397,920, 1,407,920, 1,417,920, 1,427,920, A charity collected 2,485,300 food packages. It delivered 968,450 packages to communities. How many packages remained?, 1,506,850, 1,516,850, 1,526,850, 1,536,850, A school had a budget of $2,500,000. It spent $865,450 on new computers and $728,600 on classroom furniture. How much money remained?, $915,950, $895,950, $905,950, $925,950, Two factories produced 1,285,400 and 968,700 bottles. About how many bottles were produced altogether?, 2,100,000, 2,200,000, 2,300,000, 2,400,000, Two cities have a total population of 2,400,000. One city has 180,000 more people than the other. What is the population of the larger city?, 1,320,000, 1,250,000, 1,200,000, 1,290,000, Which operation should you perform first when solving a multi-step word problem?, Identify the information and decide which operation is needed., Add all the numbers together., Round every number., Guess the number., Emma estimated her answer before solving a problem. Why is this a good strategy?, It gives the exact answer., It helps check whether the final answer is reasonable., It replaces calculations., It changes the numbers., Why should students explain how they solved a real-world problem?, To avoid using equations., To make the answer longer., To communicate their mathematical reasoning clearly., To change the solution.

Real-World Problem Solving

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