Enough Ones to Subtract? 2nd Grade

Look at the math problem. Are there enough ONES to subtract? (Think: 2 ones minus 6 ones.)

• Yes, there are enough ones in the ones place.

• No, there are not enough ones. We need to regroup from the tens place.

Tags

CCSS.2.NBT.B.7

Use the math problem. Are there enough ones on top to subtract? (Think: 5 ones minus 6 ones.)

• Yes, there are enough ones to subtract.

• No. We need more ones to subtract. We need to regroup from the tens.

Tags

CCSS.2.NBT.B.7

Are there enough ones on top to subtract? (Think 5 dollars minus 2 dollars)

• If I have 5 dollars I can spend 2 dollars.

• If I have 5 dollars I do NOT have enough to spend 2 dollars.

Tags

CCSS.2.NBT.B.7

Is there enough in the ONES PLACE to subtract? (Think 4 minus 5)

• Yes

• No, there are not enough ones. We need to regroup from the tens place.

Tags

CCSS.2.NBT.B.7

Look at the math problem. Is there enough in the ONES PLACE to subtract? (Think: 5 ones minus 3 ones.)

• Yes, because 5 minus 3 equals 2

• No. We need more ones. We need to regroup from the tens.

Tags

CCSS.2.NBT.B.7

Use the math problem. Are there enough ones to subtract? (Think 9 ones minus 4 ones.)

• Yes, because 9 minus 4 equals 5

• No, we need more ones

Tags

CCSS.5.NBT.B.7

Are there enough ones to subtract? (Think 3 minus 3)

• Yes, because 3 minus 3 equals 0

• No

Tags

CCSS.2.NBT.B.7

Look at the math problem. Is there enough in the ONES PLACE to subtract? (Think $1 minus $9)

• Yes, there is enough to spend $9

• If we have $1 we do NOT have enough to spend $9.

Tags

CCSS.2.NBT.B.7

Are there enough ones on top to subtract? (Think 5 dollars minus 2 dollars )  

• If I have 5 dollars I can spend 2 dollars.

• If I have 5 dollars I do NOT have enough to spend 2 dollars.

Tags

CCSS.2.NBT.B.7

Look at the ones place. Is there enough to subtract? (Think 7 minus 4.)

• Yes because 7 $-$ 4 = 3

• No

Tags

CCSS.2.NBT.B.7