Download Math - Unit 2

Name: Unit 2 (Oct.-Nov.)
Key Learning Goals:
Topic: Addition and Subtraction Facts
Unit Essential Question(s)
a. D Know ―harder‖ subtraction facts (2.1.4, 2.1.8, 2.1.13)
b. D/S Know ―harder‖ addition facts (2.1.8, 2.1.9, 2.2.1)
c. D/S Know ―easier‖ subtraction facts (2.1.3, 2.1.8, 2.1.9, 2.1.13, 2.2.5)
d. D/S Complete ―What’s My Rule?‖ tables (2.2.1, 2.2.2, 2.2.4)
e. D/S Solve subtraction number stories. (2.1.8, 2.1.9)
f. S Know ―easier‖ addition facts. (2.1.8, 2.1.9, 2.2.5, 2.3.6)
g. D/S Construct fact families for addition and subtraction.( 2.1.8, 2.1.9,
2.2.5)
h. D/S Complete Frames-And-Arrows diagrams. ( 2.1.9, 2.2.1, 2.2.2, 2.2.4)
i. S Solve addition number stories. (2.1.13)
j. S Find equivalent names for numbers.(2.1.13, 2.2.5)
How can I use addition
and subtraction facts to
improve my math?
Concept: Addition Strategies
Concept: Subtraction Strategies
Lesson Essential Questions &
Vocabulary:
2.1 How do I make up, represent, and
solve addition number stories?
Addition number stories
Label
Unit box
Number model
2.2 How do I make up addition stories
Addition fact
+0 facts & +1 facts
+0 & +1 shortcut
Fact power
2.3 How can I write doubles facts?
Double facts Doubles-plus-2 facts
Sum
Facts Table
Row & Column
Diagonal
2.4 How can I use the turn-around
shortcut for addition?
Turn-around facts
+9 facts & +9 shortcut
2.5 How can I use the doubles-plus-1 and
doubles-plus-2 facts?
Doubles-plus-1 facts
Lesson Essential Questions &
Vocabulary:
2.12 How do I use counting-back and
counting-up strategies for subtraction?
Difference
2.13 How can I use shortcuts for
subtracting 9 or 8 from any number?
-9 facts
-9 shortcut
-8 facts
-8 shortcut
Grade:
(Amy Mahonski)
Instructional Tools/Reminders
Pan balance
Slates
Games: Name That Number (2.9, 2.10)
*Continue to review and play games from
Unit 1
Concepts: Relating Addition &
Subtraction , Rules & Patterns
Lesson Essential Questions & Vocabulary:
Concept: Comparing Weight,
Review & Assessment
Vocabulary:
2.6 How do I relate addition and
subtraction facts to solve problems?
Subtraction number story
-0 facts
-1 facts
-0 shortcut
-1 shortcut
2.8 How do I identify fact families for addition
and subtraction facts?
Fact family
Fact Triangle
2.9 How can I write equivalent names for
numbers?
Name-collection box
2.10 How do I identify the rule for a given
number sequence?
Frames-and-Arrows diagrams
Frame
Arrow
Arrow rule
2.11 How can I identify missing numbers
in numbered pairs that are generated
by a rule?
―What’s My rule?
Function Machine
2.7 How do I use a pan balance and
spring scale to compare weights?
Ounce
Pound
Pan balance
Heavier
Lighter
In balance
Spring scale
2.14 How am I progressing toward
my learning goals?