Adding Three Two-Digit Numbers Under 100

What is the main goal of today's math lesson?

• To subtract two-digit numbers

• To divide two-digit numbers

• To add three two-digit numbers

• To multiply two-digit numbers

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

How much does an apple cost at the fruit shop?

• 30 cents

• 25 cents

• 20 cents

• 15 cents

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CCSS.4.MD.B.4

What is the total cost of an apple and an orange?

• 44 cents

• 50 cents

• 48 cents

• 40 cents

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CCSS.5.NBT.B.7

When adding 32 cents, 21 cents, and 24 cents, what is the sum of the ones place?

• 6

• 7

• 8

• 9

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CCSS.2.NBT.B.7

What is the total cost of grapes, a pear, and an orange?

• 76 cents

• 78 cents

• 75 cents

• 77 cents

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CCSS.7.NS.A.1D

What is the sum of the tens place when adding 32 cents, 15 cents, and 32 cents?

• 9

• 8

• 7

• 6

Tags

CCSS.2.NBT.B.7

What is the total cost of grapes, a granny smith apple, and strawberries?

• 79 cents

• 78 cents

• 80 cents

• 77 cents

Tags

CCSS.2.NBT.B.7

What is the first step in adding two-digit numbers?

• Add the tens place

• Add the ones place

• Multiply the digits

• None of the above

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CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

How many items did we use in our final example?

• Two

• Three

• Four

• Five

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CCSS.1.OA.A.1

What should you remember about adding two-digit numbers?

• None of the above

• Always carry over

• Start with the ones place

• Start with the tens place

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5