Addition with Expanded Form

Front

How would I use expanded form to solve 326+123?

Back

300+20+6 + 100+20+3 = 400+40+9 = 449

Front

How would you solve 401+411 with expanded form?

Back

400+0+1 + 400+10+1 = 800+10+1=812

Front

Back

79

Front

Write the number in number form: 258, 377, 358, 659

Back

377

Front

300+60+8=

Back

368

Front

901 in expanded form

Back

900+0+1

Front

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

Back

56

Front

Add the base ten blocks. What is the sum?

Back

98

Front

Add the base ten blocks. What is the sum?

Back

85

Front

Add the base ten blocks. What is the sum?

Back

80