Adding With Expanded Form

Add the base ten blocks.  What is the sum?

• 85

• 58

• 88

• 83

Add the base ten blocks.  What is the sum?

• 79

• 80

• 81

• 90

Find the sum of the numbers using the base 10 blocks.

• 73

• 65

• 34

• 56

Solve this equation 9 x 10⁸ + 7 x 10⁷+ 2 x 10 ⁶ + 4 x 10⁵+ 9 x 10⁴+ 3 x 10³+1 x 10²+ 5 x 10¹+3 x 10⁰

• 972,493,153

• 982,439,153

• 972,493,135

How would you write the following number?

2 x 10⁸ + 7 x 10⁷+ 5 x 10⁶ + 9 x 10⁵ + 7 x 10³+8 x 10² + 5 x 10¹ + 3 x 10⁰

• 275,907,853

• 27,597,853

• 207,907,853

Solve the equation

8 x 10 ⁷ + 4 x 10⁶ + 2 x 10⁵+ 3 x 10⁴ + 9 x 10³+ 1 x 10² + 2 x 10¹ + 6 x 10⁰

Solve the equation

6 x 10⁵ + 2 x 10³ + 9 x 10² + 3 x 10¹ + 7 x 10⁰

Solve the equation

3 x 10 ⁶ + 7 x 10⁵ + 9 x 10⁴ +2 x 10² + 4 x 10¹ + 1 x 10⁰

Which is greater?

5 x 10⁵+ 9 x 10³+ 6 x 10² + 3 x 10¹+6 x 10⁰

or

5 x 10⁵+ 9 x 10⁴+6 x 10³ + 3 x 10²+ 1 x10¹+6 x 10⁰

• The first number is greater

• The second number is greater

• They are the same number

500 + 20 + 5

• 255

• 520

• 552

• 525