###### Sunnyvale

###### December 11, 2021, 6:00:00 PM

###### Saturday

###### Level 2

## Ms. Caitlyn

### Target 1

###### Lesson Type:

New

Number Operation

:

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).

###### 2:

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###### 5:

###### Grade:

1st

###### Vocabulary:

Base Ten Blocks, Tens, Ones

Activities:

- Students rolled dice to create two-digit numbers.
- Students modeled two-digit numbers using base ten blocks.
- Students wrote two-digit numbers in expanded form (i.e.: 20 + 5 = 25).

### Home Exploration

###### Challenge Problem:

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###### Challenge Answer:

## Absent Students:

Yilin, Naavya

### Target 2

###### Lesson Type:

###### New

###### Number Operation

###### Integer Composition

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

:

###### 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:

1st

###### Vocabulary:

Round Up, Round Down

Activities:

- Students made Rounding Rollercoasters.
- Students played a rounding game where they rounded numbers up and down a number line (1-100).

### Home Exploration

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### Target 3

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###### Grade:

###### Vocabulary:

Activities:

### Home Exploration