SALTA 5th grade

Focus

Standards

Curriculum Supports – enVision 2020

Vocabulary

5.NBT.7

Strand: Number and Operations in Base Ten

Topic 2: Add and Subtract Decimals to Hundredths

Topic 2:

Fifth grade students will perform operations with multi-digit whole numbers and with decimals to hundredths.

Pick a Project: •

• compatible numbers • associative property of addition • commutative property of addition • compensation

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Standard 5.NBT.7 Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. In this standard, dividing decimals is limited to a whole number dividend with a decimal divisor or a decimal dividend with a whole number divisor. Compare the value of the quotient on the basis of the values of the dividend and divisor.

Useful Tools for Traveling

No 3-Act Math task for Topic 2

2-1 Mental Math 2-2 Estimate Sums and Differences 2-3 Use Models to Add and Subtract Decimals 2-4 Use Strategies to Add Decimals 2-5 Subtract Decimals 2-7 Problem Solving: Model with Math

Topic 2 Manipulatives: •

Place-Value Blocks

Assessment Options: Team Created Assessment

Topic 2 Assessment - Add and Subtract Decimals to Hundredths (print or online) Topic 2 Performance Assessment - Add and Subtract Decimals to Hundredths

Assessment Tasks – Topic 2

Procedural Check

Application Task

5.NBT.7

Calculate the following: (DOK 1) 1. 3.4 + 6.2 2. 7.7 – 4-1 3. 5.6 X 2.4

I divided 6.12 by 3 and got the quotient 2.4. What did I do wrong? Write to give evidence for your answer. Write a similar problem where you might make the same error. (DOK 3) How many different ways can you make your calculator show a number with a particular decimal, such as 12.34, without pressing the decimal point? (DOK 2)

4. 8.4  2.1

I added 3 decimals together and got exactly 4. What might those 3 decimals numbers be? Justify your answer with words. (DOK 3)