Hawaii

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Saturday

Level 2

Ms. Joan

Target 1​

Lesson Type:

Continuation

Number Operation

:

Computation

Add within 50.

Supporting targets:

1:

Recognize the arithmetic symbols in an addition equation: plus (+) and equals (=).

2:

Understand that addition means to put two quantities together.

3:

Understand that adding numbers means making a larger number.

4:

Count on from a given number to add another quantity.

5:

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

Grade:

Kindergarden

Vocabulary:

Put together, Add, Sum, number line

Activities:

• Students were given 3 addends equation to add starting from the biggest number. Using the number line, they start to the big number and add the 2 addends by moving forward in the line.
• Student fill out the missing addend by using the number line. They did this by adding the 2 numbers given and find out how many times they need to jump to go to the sum.
• Students add the given addends by making their own number line.
• Using the number line, students were introduced to subtracting with 3 or more subtrahend.

Home Exploration

Challenge Problem:

Add the following numbers:

1. 32+5+3 = ? (40)

2. 40+7+2+1 = ? (50)

3. 31+4+2+4 = ? (41)

Challenge Data:

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Guiding Questions:

Challenge Answer:

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