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Third Grade CCSS Topic for August and September. 3.NBT - Use place value understanding and properties of operations to perform multi-digit arithmetic. 1. Use place value understanding to round whole numbers to the nearest 10 or 100. - PowerPoint PPT Presentation
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Third Grade CCSS Topic for
August and September3.NBT - Use place value understanding and properties of operations to perform multi-digit arithmetic. 1. Use place value understanding to round whole numbers to the nearest 10 or 100. 2. Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Guess and CheckNoah Luca Total Cards
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Model Drawing
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Model Drawing
Luca’scards
Noah’s cards
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Model Drawing
Luca’scards
Noah’s cards
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Model Drawing
Luca’scards
Noah’s Cards 50
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Model Drawing
Luca’scards
Noah’s Cards
392
50
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Model Drawing
Luca’scards
Noah’s Cards
392
50
Luca has ____ baseball cards.Noah has ____ baseball cards.
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Model Drawing
Luca’scards
Noah’s Cards
392
50
Luca has ____ baseball cards.Noah has ____ baseball cards.
392 – 50 = 342
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Model Drawing
Luca’scards
Noah’s Cards
392
50
Luca has ____ baseball cards.Noah has ____ baseball cards.
392 – 50 = 342
a. 342 ÷ 2 = 171
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Model Drawing
Luca’scards
Noah’s Cards
392
50
Luca has ____ baseball cards.Noah has ____ baseball cards.
392 – 50 = 342
a. 342 ÷ 2 = 171171
171
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Model Drawing
Luca’scards
Noah’s Cards
392
50
Luca has ____ baseball cards.Noah has ____ baseball cards.
392 – 54 = 342
a. 342 ÷ 2 = 171
b. 171 + 50 = 221
171
171
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Model Drawing
Luca’scards
Noah’s Cards
392
50
Luca has 171 baseball cards.Noah has 221 baseball cards.
392 – 50 = 342
a. 342 ÷ 2 = 171
b. 171 + 50 = 221
171
171
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Equation
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Equation
Noah + Luca = 392
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Equation
Noah + Luca = 392
(x + 50) + x = 392
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Equation
Noah + Luca = 392
(x + 50) + x = 392
2x + 50 = 392
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Equation
Noah + Luca = 392
(x + 50) + x = 392
2x + 50 = 392
2x + 50 - 50 = 392 - 50
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Equation
Noah + Luca = 392
(x + 50) + x = 392
2x + 50 = 392
2x + 50 – 50 = 392 – 50 2x = 342
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Equation
Noah + Luca = 392
(x + 50) + x = 392
2x + 50 = 392
2x + 50 – 50 = 392 – 50 2x = 342 x = 171
Noah and Luca have 392 baseball cards altogether.Noah has 50 more than Luca. How many cards doeseach child have?
Equation
Noah + Luca = 392
(x + 50) + x = 392
2x + 50 = 392
2x + 50 – 50 = 392 – 50 2x = 342
x = 171
x + 50 = 221
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