1. Instructional Strategies
MAP2D
Trimester 1
Instructional Strategies
Grade 2
Updated 6/09
Copyright ©, Long Beach Unified School District. All rights reserved. - Grade 2

2. Begin adding in the ones column.
Let’s Practice 2-Digit Addition
3 1
Ask these questions:
“Is the sum greater than 9?”
“Is the sum a two digit number?”
“Can the sum be split into tens and ones?”
Begin adding in the ones column. 9
If NO, then write the sum and bring down the tens.
Ch 5 L 6
Ch 6 L 1
Copyright ©, Long Beach Unified School District. All rights reserved. - Grade 2

3. If the answer to the questions is YES then REGROUP.
3 5
Orally split the sum into tens and ones while writing so the 1 ten is written FIRST and then the 3 ones. 1 Ex 3 13
“One tens three ones”
Ch 5 L 6
Ch 6 L 1
Copyright ©, Long Beach Unified School District. All rights reserved. - Grade 2

4. Solve the tens column. 1
3 5
4 3
Rewrite the sum with the digits “together.” 43
Ch 5 L 6
Ch 6 L 1
Copyright ©, Long Beach Unified School District. All rights reserved. - Grade 2

5. Let’s Write Numbers in Different Ways
Hundreds
Tens
Ones 6 4 5
645
six hundred forty- five
6 hundreds 4 tens 5 ones
Chapter 3 Lessons 4-5
Chapter 16 Lesson 4
Copyright ©, Long Beach Unified School District. All rights reserved. - Grade 2

6. Even & Odd Numbers 0, 2, 4, 6, 8 are even numbers
1, 3, 5, 7, 9 are odd numbers
Chapter 4
Lesson 3
Copyright ©, Long Beach Unified School District. All rights reserved. - Grade 2

7. Let’s Find Even & Odd Numbers !
 Make groups of two to decide if a number is even or odd.
If there is none left over, the number is even
xx xx xx
 If there is one left over, the number is odd. 7
xx xx xx x
Chapter 4
Lesson 3
Copyright ©, Long Beach Unified School District. All rights reserved. - Grade 2

8. Let’s Find Even & Odd Numbers !
The one’s digit determines if the number is even or odd.
Students will circle the one’s place.
Example: 47 26
odd
even
xx xx xx x
xx xx xx
Chapter 4
Lesson 3
Copyright ©, Long Beach Unified School District. All rights reserved. - Grade 2

9. Let’s Compare Numbers
We can compare numbers using >, < and = signs.
 Line up the numbers vertically
30 32
Start at the left to compare digits in the greatest place first. Highlight the digits in the first vertical column where the digits are different.
Now compare these highlighted digits to compare the value.
25 < > 32
Chapter 4 Lesson 1
Chapter 17 Lesson 1 & 2
Copyright ©, Long Beach Unified School District. All rights reserved. - Grade 2

10. Let’s Compare Numbers ! Example # 1 Example # 2
 
 
35 = >
Simplify the expression.
Compare whole numbers using the symbols >, <, and =.
Chapter 6
Lesson 4
Copyright ©, Long Beach Unified School District. All rights reserved. - Grade 2