Estimating Costs in 3rd Grade Math

What items are necessary for today's lesson on estimation?

• Textbook and calculator

• Whiteboard, whiteboard marker, and math journal

• Calculator, pencil, and notebook

• Laptop and math software

What is 78 estimated to when rounding to the nearest ten?

• 70

• 75

• 85

• 80

How many books does the book club need to read in December to meet their goal?

• 500 books

• 400 books

• 600 books

• 300 books

What is the estimated total number of books read by the book club in October and November?

• 800

• 500

• 600

• 700

How much does each child get from dividing a fruit strip among four?

• One-fifth

• One-fourth

• One-third

• One-half

How much total money is needed to buy two grape juice boxes at 45 cents each?

• 85 cents

• 90 cents

• 95 cents

• 100 cents

Which chair arrangement is not possible with 12 chairs?

• Six rows of two chairs

• Seven rows of five chairs

• Three rows of four chairs

• Twelve rows of one chair

How many days in November were not rainy according to the bar graph?

• 24 days

• 26 days

• 30 days

• 28 days

What is 150 plus 25?

• 195

• 185

• 175

• 165

What is the result of subtracting 25 from 100?

• 65

• 75

• 95

• 85