###### Hawaii

######

###### Saturday

###### Level 2

## Ms. Joan

### Target 1

###### Lesson Type:

Continuation

Number Operation

:

Computation

Subtract within 50.

###### Supporting targets:

###### 1:

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

###### 2:

###### 3:

###### 4:

###### 5:

###### Grade:

Kindergarden

###### Vocabulary:

Number line, Take a way

Activities:

- Students were given 3 or more number sentence to solve. They can use number line to find out the difference.
- Made their own number line on the board to answer the equation.

### Home Exploration

###### Challenge Problem:

Subtract the following:

49-10-7-3 = ? (29)

30 - 11-7 = ? (12)

43-3-10-4 = ? (26)

###### Challenge Data:

###### Guiding Questions:

- Start counting from the first jump from the biggest number.
- Take away one at a time using the number line.

###### Challenge Answer:

### Target 2

###### Lesson Type:

###### New

###### Number Operation

###### Computation

###### Solve multi-step addition and subtraction problems within 50.

:

###### Supporting targets:

###### 1:

Solve problems that have more than one operation, addition and subtraction.

###### 2:

Understand when solving a problem that has both addition and subtraction operations that solving starts on the left and continues to the right.

###### 3:

###### 4:

###### 5:

###### Grade:

Kindergarden

###### Vocabulary:

Addition, Subtraction

Activities:

- Students were given set of number sentence with comnination of addition and subtraction using number line.
- Read the equation and figure what is the missing number.

### Home Exploration

Find the ? in the given equation:

10+12+11-?= 20

Solve all the addition first then in the number line, find out how many jumps do you need to do to reach 20?

13