Subtracting Two-Digit Numbers: Lesson 11-3 Insights

What is the first step in creating a subtraction sentence using ten rods?

• Draw the ten rods

• Count the tens first

• Write the subtraction sentence

• Count the ones first

Tags

CCSS.5.NBT.B.7

If you have 20 and you subtract 10, what is the result?

• 20

• 10

• 15

• 5

Tags

CCSS.2.OA.A.1

When subtracting tens and ones, which number should be placed first in the subtraction sentence?

• The smaller number

• The number with more ones

• The larger number

• The number with fewer tens

Tags

CCSS.2.NBT.B.7

What is the result of 32 minus 10?

• 32

• 22

• 12

• 42

Tags

CCSS.1.NBT.C.5

In the subtraction sentence 43 - 20, what is the result?

• 23

• 33

• 43

• 13

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

How many tens are in the number 51?

• 1

• 10

• 5

• 50

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What is the result of 51 minus 20?

• 31

• 21

• 41

• 51

Tags

CCSS.1.NBT.C.5

If you have 64 and you subtract 40, what is the result?

• 24

• 44

• 34

• 14

Tags

CCSS.7.NS.A.1C

What is the total number of tens and ones in 47?

• 3 tens and 4 ones

• 4 tens and 3 ones

• 4 tens and 7 ones

• 3 tens and 7 ones

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What is the result of 72 minus 50?

• 12

• 22

• 42

• 32

Tags

CCSS.1.NBT.C.5