Reasonable Answers and Decimal Problems Unit 5 Lesson 5.

Slides:

Advertisements

Similar presentations

Chapter 3 L3-4 Notes: Estimating Sums & Differences.

Advertisements

Unit 2 Estimation and Computation. CFA: Unit 2 1. What digit is in the hundreds place? A. 5 B. 6 C. 3 D. 1.

Quiz: Lesson 16 & 18 Use a proportion to solve. Round your answer to the nearest tenth if necessary. 1.What is 30% of 90?2. One is 2% of what number? 3.What.

Topic D adding and subtracting decimals STANDARD - 5.NBT.2, 5.NBT.3, 5.NBT.7.

Estimating Sums and Differences of Whole Numbers.

Carlos swam the 100 meter race in seconds. What is his time rounded to the nearest hundredth of a second?

How to round a number with two decimal places to the nearest tenth For more maths help & free games related to this, visit:

Stacy ran a race in seconds. Is this closer to 45 seconds or 46 seconds?

Grade 5 Module 1 Lesson 9.

Rounding Decimals Rounding Decimals Jack and Jill started walking at the same time. After an hour, Jill walked 0.36 km while Jack walked 0.32 km. Who.

Decimals: Add, Subtract, Multiply & Divide

Rounding off numbers 10 thousands thousands hundreds 1/ /100

Place Value with Decimals

3-4 Multiplying Decimals Estimating & Multiplying Decimals.

L E S S O N 13.5 Multiplying Decimals 0.7

3-4 Multiplying Decimals Learn to multiply decimals by whole numbers and by decimals.

New Vocabulary VocabularyDefinitionUsing symbols productThe answer to a multiplication problem 2 x 4 = 8 product Multiplying Decimals.

Warm Up Alice uses a pedometer to see how far she walks. On Monday she walked 4.2 miles. On the other days of the week she walked 5.55, 6.3, 4.7, 4.25,

ADDING AND SUBTRACTING DECIMALS Lesson Lesson Objectives After completing this lesson, you will be able to say: I can add decimals I can subtract.

2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Comparing decimals Adding decimals.

10-1 We are learning to write improper fractions as mixed numbers and mixed numbers as improper fractions, and they place them on a number line.

Evaluating Algebraic Expressions 3-3Solving Multi-Step Equations What are the steps for solving multi-step equations? What are the steps for solving multi-step.

PRE-ALGEBRA. Lesson 6-5 Warm-Up PRE-ALGEBRA How do you find the percent of a number using a proportion?? You can use a proportion to solve any percent.

Multiplying Decimals I can fluently multiply to multiply decimals using the standard algorithm.

Monday, Oct 7 Lesson 3.1 Add and Subtract Decimals.

Splash Screen. Lesson Menu Five-Minute Check (over Lesson 2–1) Main Idea and Vocabulary Example 1:Use Rounding with Whole Numbers Example 2:Use Compatible.

3-4 Multiplying Decimals Warm Up Warm Up Lesson Presentation Lesson Presentation Problem of the Day Problem of the Day Lesson Quizzes Lesson Quizzes.

Holt CA Course Percent of a Number Warm Up Warm Up California Standards California Standards Lesson Presentation Lesson PresentationPreview.

7-7 Percent of a Number Learn to find the percent of a number.

Estimating Fractions.

Objective Students will be able to estimate sums and differences (3-5).

Percent of a number.

Place value can help you understand and write and compare decimal numbers. Rounding Decimals.

Refers to the degree of exactness. The marks on a scale or other instrument tell you the precision that is possible.

3-4 Multiplying Decimals Warm Up Warm Up Lesson Presentation Lesson Presentation Problem of the Day Problem of the Day Lesson Quizzes Lesson Quizzes.

How do you divide 1.6 ÷ 0.2?. In this lesson you will learn how to divide decimals by using a number line.

Solving Equations by Adding or Subtracting PRE-ALGEBRA LESSON 2-5 (For help, go to Lesson 2-1.) Simplify each expression – – –

Multiplying Decimals How does multiplying decimals compare to multiplying whole numbers?

COURSE 2 LESSON Find , or 4 Estimate 21 Add the fractions. Add the whole numbers = Write.

CONFIDENTIAL1 Grade 5 Adding & Subtracting Decimals.

Core Focus on Decimals & Fractions Estimating with Decimals Lesson 1.5.

AGENDA WARM-UP LESSON 21 HW CORRECTIONS LESSON 22/23 HW QUESTIONS? LESSONS 24 AND 25 EXIT CARD.

How to Round a Number to the Nearest Tenth (1 Decimal Place)

Lesson 33Equivalent FractionsPage 235 Comparing Decimals Rounding Decimals.

3-1 Estimating with Decimals Warm Up Warm Up Lesson Presentation Lesson Presentation Problem of the Day Problem of the Day Lesson Quizzes Lesson Quizzes.

Warm Up Find the number that is 0.1 greater and the number that is 0.01 less than each of the given numbers. Given Number0.1 Greater Than0.01 Less Than.

Holt CA Course Percent of a Number 6-4 Percent of a Number NS1.4 Calculate given percentages of quantities and solve problems involving discounts.

CONFIDENTIAL1 Good Afternoon! Today is our REVIEW of ADDING AND SUBTRACTING DECIMALS NUMBERS & ALGEBRAIC CONCEPTS.

Adding and Subtracting Decimals.  Adding Decimals  Subtracting Decimals  Estimating While Adding or Subtracting Decimals  Solving problems by Adding.

Solving Multi-Step Equations 7-2 Warm Up Warm Up Lesson Presentation Lesson Presentation Problem of the Day Problem of the Day Lesson Quizzes Lesson Quizzes.

Adding and Subtracting with proper precision m m 12.0 m m m m m m m Keep in your answer everything.

Estimate Solutions. Any Sandwich$4.35 Lunch Specials Small Drink Medium Drink Large Drink Salad Chips Cookie Cone (small only) $1.35 $1.50 $2.10 $2.85.

4-1 Estimate with Decimals Course 2 Warm Up Problem of the Day Problem of the Day Lesson Presentation Lesson Presentation.

Rounding Decimals.

Lesson 7: Estimating Decimal Sums and Differences

Module 2 – Lesson 24 Objective: Divide decimal dividends by multiples of 10, reasoning about the placement of the decimal point and making connections.

Find two factors that multiply to each of:

MATH UNIT #1 Addition and Subtraction

Course 2 Volume of Pyramids.

1.13 “I can estimate the results of computations involving whole numbers and decimals, using a variety of strategies.”

The Distance Formula Use this formula to find the distance between the following two points.

Warm Up Solve. 1. 3x = 102 = z – 100 = 21 w = 98.6 x = 34 y 15

Warm Up Problem of the Day Lesson Presentation Lesson Quizzes.

L E S S O N 13.5 Multiplying Decimals 0.7

Find each number. Round to the nearest tenth if necessary.

Solve for the leg and round the nearest tenth.

Adding and Subtracting Decimals

Presentation transcript:

Reasonable Answers and Decimal Problems Unit 5 Lesson 5

Solve: =

Solve: − 9.3 =

Estimate the answer by rounding each number to the nearest tenth and adding or subtracting. A male giraffe at the zoo weighs pounds. A female giraffe at the same zoo weighs pounds. Sierra says the male giraffe weighs pounds more than the female giraffe. Is her answer reasonable compared to your estimate?

Estimate the answer by rounding each number to the nearest tenth and adding or subtracting. When Zoe’s puppy was born, it weighed 8.25 pounds. When it went for its one-year check-up, it weighed 43.8 more pounds. Zoe says her puppy now weighs pounds. Is her answer reasonable compared to your estimate?

Estimate the answer by rounding each number to the nearest tenth and adding or subtracting = = 1,192.9

Estimate the answer by rounding each number to the nearest tenth and adding or subtracting − = − = 97.21

Estimate the answer by rounding each number to the nearest whole number and adding or subtracting. Jason drove 12.5 km to the ballpark and then km to the bank. What was the total distance he drove? Jason thought the answer was km. Is his answer reasonable compared to your estimate?

Estimate the answer by rounding each number to the nearest whole number and adding or subtracting. Sophie rode her bike km and walked km. How much farther did she ride her bike than she walked? Sophie thought the answer was km. Is her answer reasonable compared to your estimate?

Choose the answer.

Jonathan said that equals 1, Is Jonathan’s answer reasonable? A.Yes, Jonathan’s answer is reasonable. B.No, the answer is about 500. C.No, the answer is about 600. D.No, the answer is about 900.

Choose the answer. Greg said that − equals Is Greg’s answer reasonable? A. Yes, Greg’s answer is reasonable. B. No, the answer is about 700. C. No, the answer is about 1,000. D. No, the answer is about 1,100.

Choose your answer.