Mastering 2-Digit Addition and Subtraction Techniques

What is the main topic of the video tutorial?

• Multiplication and Division

• Fractions and Decimals

• Geometry and Shapes

• Two-digit addition and subtraction with regrouping

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

In the addition example, what is the first step after drawing the place value chart?

• Adding the numbers

• Drawing the ones

• Drawing the tens

• Labeling the chart

Tags

CCSS.2.NBT.B.7

How many tens are there in the number 48?

• 2

• 3

• 5

• 4

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What do students do after adding the ones place in the addition example?

• Draw more ones

• Circle ten ones and regroup

• Subtract the tens

• Write the final answer

Tags

CCSS.2.NBT.B.6

What is the sum of 48 and 24?

• 62

• 72

• 92

• 82

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

In the subtraction example, what is the first step after drawing the place value chart?

• Subtracting the numbers

• Labeling the chart

• Drawing the tens

• Drawing the ones

Tags

CCSS.2.NBT.B.7

What do students do if they cannot subtract the ones place directly?

• Regroup from the tens place

• Skip the step

• Add more ones

• Write the final answer

Tags

CCSS.2.NBT.B.7

How many ones are there after regrouping in the subtraction example?

• 12

• 18

• 10

• 15

Tags

CCSS.2.NBT.B.6

What is the difference between 45 and 18?

• 47

• 37

• 27

• 17

Tags

CCSS.7.NS.A.1C

What should students remember to subtract in the final step of the subtraction example?

• Both ones and tens

• Only the ones

• Only the tens

• None of the above

Tags

CCSS.2.NBT.B.7