Basic Subtraction and Regrouping Concepts

The video tutorial covers subtraction with regrouping, using examples like losing points, selling raffle tickets, and selling robot toys. It explains how to handle cases where a larger number cannot be subtracted from a smaller one by borrowing from the tens place. The tutorial also demonstrates subtraction without physical counters and emphasizes checking subtraction results using addition.

If you have 14 points and lose 5 points, how many points do you have left?

• 9

• 8

• 7

• 10

Tags

CCSS.2.NBT.B.5

What is the first step when you cannot subtract a larger number from a smaller number?

• Add the numbers

• Divide the numbers

• Regroup

• Multiply the numbers

Tags

CCSS.2.OA.A.1

The soccer team has 45 raffle tickets and sells 8. How many tickets are left?

• 37

• 38

• 36

• 35

Tags

CCSS.2.OA.A.1

A store has 62 robot toys and sells 9. How many toys are left?

• 53

• 54

• 52

• 51

Tags

CCSS.2.NBT.B.7

When regrouping, what do you do with a tens rod?

• Trade it for a ones rod

• Trade it for five ones cubes

• Trade it for a hundreds rod

• Trade it for ten ones cubes

Tags

CCSS.2.OA.A.1

If you bake 24 cookies and Moby eats 7, how many cookies are left?

• 15

• 16

• 18

• 17

Tags

CCSS.2.OA.A.1

What is 91 minus 6?

• 85

• 86

• 84

• 83

Tags

CCSS.1.OA.A.1

How can you check your subtraction work?

• By subtracting the result from the subtracted number

• By dividing the result by the subtracted number

• By multiplying the result by the subtracted number

• By adding the result to the subtracted number

Tags

CCSS.1.OA.C.6

What is 11 minus 6?

• 6

• 7

• 4

• 5

Tags

CCSS.2.NBT.B.5

What is the result of 85 plus 6?

• 92

• 90

• 89

• 91

Tags

CCSS.2.NBT.B.5