Mastering 2-Digit Subtraction with Regrouping

What is the first step in solving a subtraction problem with two digits?

• Regroup immediately

• Check the ones place

• Subtract the ones

• Check the tens place

Tags

CCSS.5.NBT.B.7

After regrouping, if you have 14 ones and you need to subtract 6, what is the result?

• 20 ones

• 14 ones

• 6 ones

• 8 ones

Tags

CCSS.2.NBT.B.6

What do you do if there are not enough ones to subtract in a two-digit subtraction problem?

• Borrow from the hundreds

• Ignore the deficit

• Regroup from the tens

• Subtract the tens first

Tags

CCSS.2.NBT.B.7

In the subtraction problem 42 minus 15, what is the correct process of regrouping?

• No regrouping needed

• Add one ten to the ones

• Cross off one ten and add ten ones

• Cross off four tens and add to ones

Tags

CCSS.2.NBT.B.5

What is the result of 81 minus 37 using proper regrouping?

• 37

• 53

• 44

• 48

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is the importance of crossing off numbers when regrouping?

• To make numbers larger

• To avoid confusion

• To add more numbers

• To simplify the problem

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

How many seashells did Sarah find if Tala found 7 fewer and got 19?

• 12 seashells

• 19 seashells

• 7 seashells

• 26 seashells

Tags

CCSS.1.OA.A.1

If there are 41 goats and 17 go into the barn, how many are left in the field?

• 24 goats

• 17 goats

• 34 goats

• 41 goats

Tags

CCSS.3.OA.A.3

What is the result of 70 minus 52 using regrouping?

• 18

• 28

• 12

• 22

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is the difference between 67 and 14 in a subtraction problem?

• 53

• 51

• 57

• 55

Tags

CCSS.7.NS.A.1C