What is the primary strategy used for two-digit subtraction in the video?

• Using a calculator

• Expanded form

• Standard algorithm

• Direct subtraction

Tags

CCSS.2.NBT.B.7

What operation symbol is circled to remind of the operation being performed?

• Multiplication

• Addition

• Division

• Subtraction

Tags

CCSS.7.NS.A.1D

When subtracting 83 and 47, what is the first step in the expanded form?

• Expand both numbers

• Regroup the tens

• Subtract the ones

• Subtract the tens

Tags

CCSS.2.NBT.B.7

How is the number 83 expanded in the video?

• 800 + 30

• 8 + 30

• 8 + 3

• 80 + 3

Tags

CCSS.2.NBT.A.3

What does the teacher use to show where numbers will be expanded?

• Lines

• Circles

• Arrows

• Boxes

Tags

CCSS.5.NBT.B.7

Why is regrouping necessary in the given subtraction problem?

• None of the above

• The ones place in 47 is larger than in 83

• The tens place in 47 is smaller

• The ones place in 83 is larger

Tags

CCSS.2.NBT.B.7

What value is left in the tens column after regrouping?

• 80

• 70

• 60

• 50

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the result of 13 minus 7 in the ones column?

• 5

• 6

• 7

• 8

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

What is the final result of subtracting 83 from 47?

• 36

• 46

• 26

• 16

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

After regrouping, what is the new value in the ones column?

• 10

• 13

• 3

• 7

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5