Math 4.2.7 - Writing and Adding Tens to Two-Digit Numbers

​Math 4.2.7 Writing & Adding Tens to Two-Digit Numbers

By Whitney Houk

Multiple Choice

Which two-digit number matches the expression 7 + 40?

• 47

• 75

• 50

Match

Which representation shows the matching two-digit number?

• 41

• 19

1 + 40

1 ten 9 ones

74

• 1 + 40

• 1 ten 9 ones

• 74

Multiple Choice

What is the value of 28 + 10?

• 29

• 38

• 48