###### Hawaii

######

###### Saturday

###### Level 2

## Ms. Joan

### Target 1

###### Lesson Type:

Continuation

Number Operation

:

Computation

Add within 50.

###### Supporting targets:

###### 1:

Understand that addition equations can be written both vertically and horizontally.

###### 2:

Understand that the same process is utilized to add three or more whole numbers that is used to add only 2 numbers.

###### 3:

###### 4:

###### 5:

###### Grade:

Kindergarden

###### Vocabulary:

Number line, Add, Plus and equals

Activities:

Student added 3 addends together following the strategy of using the number line.

Students were given 4 and more numbers with combination of one-digit and two-digit numbers using number line.

### Home Exploration

###### Challenge Problem:

20+3+7 = ? (30)

15+2+5+4 = ? (26)

21+3+5+2+6 = ? (37)

###### Challenge Data:

###### Guiding Questions:

###### Challenge Answer:

### Target 2

###### Lesson Type:

###### Continuation

###### Number Operation

###### Computation

###### Subtract within 50.

:

###### Supporting targets:

###### 1:

Recognize the arithmetic symbols in a subtraction equation: minus (-) and equals (=).

###### 2:

Understand that subtraction equals can be written both vertically and horizontally.

###### 3:

Understand that the same process is utilized to add three or more whole numbers that is used to add only two numbers.

###### 4:

###### 5:

###### Grade:

Kindergarden

###### Vocabulary:

Minus, Equals, Subtract, Take away

Activities:

Students used the number line to answer the number sentence. From the minuend, student will move to the left/backwards to find the difference.

Students were given 3 combination two-digit and one-digit numbers to subtract.

Students find the missing number in the number sentence.

### Home Exploration

30-3-4 = ? (23)

41-2-6 = ? (33)

50-7-3 = ? (40)