3-Digit Addition Techniques Without Regrouping

What does it mean to add numbers without regrouping?

• Subtracting instead of adding

• Carrying over numbers to the next place value

• Using only the ones place for addition

• Adding numbers without carrying over

Tags

CCSS.2.NBT.B.7

What is the importance of activating prior knowledge in learning new concepts?

• It is not necessary

• It makes learning harder

• It helps build on existing knowledge

• It confuses students

Tags

CCSS.RI.1.4

CCSS.RI.2.1

CCSS.RI.3.1

CCSS.RL.2.1

CCSS.RL.3.1

What is the first step in adding numbers using the algorithm method?

• Add the numbers randomly

• Start with the hundreds place

• Start with the tens place

• Start with the ones place

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is the correct way to add three-digit numbers?

• Adding only the ones place

• Multiplying each digit

• Adding from right to left

• Adding from left to right

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

How do you add numbers without using base 10 blocks?

• By guessing

• Using a calculator

• Using the algorithm method

• Asking someone else

Tags

CCSS.2.NBT.B.7

How many hundreds are there in the number 345?

• 3

• 45

• 4

• 5

Tags

CCSS.2.NBT.A.1B

What is the sum of 345 and 234?

• 569

• 579

• 589

• 599

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is the final step in adding three-digit numbers using the algorithm?

• Rechecking the addition

• Adding the ones place

• Adding the tens place

• Adding the hundreds place

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is the sum of 271 and 524?

• 795

• 796

• 785

• 805

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is the result of adding the tens place in the number 453 and 25?

• 9

• 10

• 8

• 7

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5