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Unit 2Test Review

Example: You Try:

734 + 893

Partial-Sums Addition

Using your own method, solve these addition problems.

Using your own method, solve these subtraction problems.

24.8 6397+6.9 +8571

9.63 52189+7.9 +72964

67.9 8521-9.0 -7439

692 149.7- 348 - 23.6

Addition and Subtraction, YOUR WAY!

Distances

Students were studying a map of New Zealand. The map legend stated that 1 inch = 400 miles. They measured the distance between two cities.

It was 2 ½ inches. About how many miles apart were the two cities?

Conversions

12 inches = 1 foot3 feet = 1 yard

Tim walked 1,500 feet to the corner store in the rain. He wanted his friend to feel sorry for him. He said, “I just walked _________ inches to the store. And that was just one way!” His friend said, “That’s not very far. It’s only __________ yards.

Write the number that has…

7 in the ones place5 in the thousands place8 in the ten-thousands place3 in the tenths place,And 5 in all of the remaining places…___ ___ , ___ ___ ___ . ___ ___ ___

Example: You Try:

28 * 46

Partial ProductsTomorrow be able to recognize mistakes in a

problem like this.

Example: You Try:

37 * 42 67 * 74

Lattice MethodTomorrow be able to find mistakes in a problem

like this.

Magnitude Estimates

Make a magnitude estimate and circle the appropriate box.

46 * 38 _________________________

10.6 * 26.3 ___________________________

10s 100s 1,000s 10,000s

10s 100s 1,000s 10,000s

Chance Events

certain very likely likely 50-50 chance

unlikely Very unlikely impossible

1. A 15% chance of rain ___________________2. Having a baby girl ____________________3. A 5/6 chance of having spaghetti for dinner ____________________4. The sun will rise tomorrow _________________5. When we wake up tomorrow it will be Saturday

__________________

Multiply

8 * 3________80 * 3_______80 * 30 ______800 * 300 ___________

6 *7 _________60 * 7________60 * 70 _______600 * 700______________

Your number is

4, 315.54Change the digit… (you won’t change all)In the ones place to a 7In the hundreds place to a 5In the tenths place to a 6In the tens place to an 8In the thousands place to a 4 ___ , ___ ___ ___ . ___ ___

Story Problems

Story Problems

Complete the Following…

675.46 = 600 + ___ + ___ + 0.4 + 0.0672.52 = 70 + 2 + ___ + 0.0294.257 = 90 + ___ + 0.2 + _____ + 0.007

More Lattice Practice