1. Topic 10- Monday February 4, 2019
NBT.3.4
Topic 10- Monday
February 4, 2019
MAFS.1.NBT.3.4 (DOK 2) 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 and tens, ones and ones; and sometimes it is necessary to compose a ten. [Conceptual Understanding] Identify the value of each digit of a number within 100 Decompose any number within one hundred into ten(s) and one (s) Use concrete models or drawings to solve addition problems within 100 Choose an appropriate strategy for solving an addition problem within 100 Relate the chosen strategy (using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction) to a written method (equation) and explain the reasoning used Use composition and decompositions of tens when necessary to add within 100

2. Bell Ringer Use any strategy to solve the problem.
The red team scored has 33 points and the blue team scored 45 points. How many points were scored in all?
____ + ____ = _____
_____ points in all

3. I DO! 27 + 25 = ____ shapes 27 circles and 25 squares. How many shapes
Tens
Ones
Model how to compose a ten out of the ones

4. WE DO! 43 + 17 = _____ candies in all
43 Starbursts and 17 Skittles. How many candies in all?
= _____ candies in all
Tens
Ones

5. WE DO! 35 + 28 = _____ cards in all
35 Pokemon cards and 28 baseball cards. How many cards in all?
= _____ cards in all
Tens
Ones

6. YOU DO!
58 blue buttons and 13 yellow buttons. How many buttons?
____ buttons =
Tens
Ones
Model dividing the numbers into 10’s and ones. Draw place-model blocks in the table to add.

7. Listen to instructions for centers.
I-Ready :
Teacher:
Center Games: