###### Sunnyvale

###### February 27, 2021, 8:40:00 PM

###### Saturday

###### Level 2

## Ms. Lily

### Target 1

###### Lesson Type:

Review

Number Operation

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Integer Composition

Understand that the two digits in a double-digit number represent the number of tens and ones.

###### Supporting targets:

###### 1:

Represent the composition or decomposition of two-digit numbers with an equation (13 = 10+3 or 1 ten and 3 ones).

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###### Grade:

1st

###### Vocabulary:

Tens, Ones, Base-ten

Activities:

- Students used base ten blocks to simplify numbers into the tens and ones values.
- Students made place value cakes by using paper base ten blocks to decorate a cake.
- Students played a board game to turn base-ten blocks into numerals.

### Home Exploration

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### Target 2

###### Lesson Type:

###### New

###### Number Operation

###### Integer Composition

###### Use place-value understandings to round whole numbers to the nearest 10.

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###### Supporting targets:

###### 1:

Determine whether to round up or down to get to the nearest ten.

###### 2:

Understand that the ones’ place is the key digit to evaluate to determine whether to round up or down.

###### 3:

Identify which digits in the ones’ place signal to round up to the nearest ten.

###### 4:

Identify which digits in the ones’ place signal to round down to the nearest ten.

###### 5:

###### Grade:

4th

###### Vocabulary:

Place Value, Tens, Ones

Activities:

- Students will practice using number lines to determine whether a number should be rounded up or down.

### Home Exploration

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### Target 3

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### Home Exploration