SALTA 1st grade

Target Toss

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Standard 1.NBT.4 Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, 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. Understand that in adding two-digit numbers, one adds tens to tens, ones to ones; and that it is sometimes necessary to compose a ten. Standard 1.NBT.5 Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.

Review as needed

Becoming Butterflies Hiding Octopuses

10-1 Add Tens Using Models 10-2 Mental Math: Ten More Than A Number 10-3 Add Tens and Ones Using a Hundred Chart 10-4 Add Tens and Ones Using an Open Number Line 10-5 Add Tens and Ones Using Models 10-6 Make a Ten to Add 10-7 Add Using Place Value 10-8 Practice Adding Using Strategies 10-9 Problem Solving: Model with Math

Topic 10 Manipulatives • Number cards •

Place-value blocks Connecting Cubes

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Counters

Hundreds chart Open number line Tens and ones chart

Assessment Options: Team Created Assessments Topic 10 Assessment – Use Models and Strategies to Add Tens and Ones (print or online) Topic 10 Performance Assessment – Use Models and Strategies to Add Tens and Ones Team Created Assessment Assessment Tasks – Topic 10 Procedural Check

Application Task

1.NBT.4

24 red apples and 8 green apples are on the tables. How many apples are on the table? Explain your thinking with pictures or words. 10 apples are in the basket. Mary put 10 more apples in the basket. How many apples are in the basket? Explain your thinking with pictures or words. (DOK 3)

1.NBT.5

Students will draw a picture to model 10 more than 50. Students will draw a picture to model 10 less than 50. (DOK 1)

Write the number that is 10 more and 10 less than the following: _________40__________ _________60__________ _________20__________ Use picture models or words to justify your thinking. (DOK 3)

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