Three-digit number addition
review1 Look at the picture to write the number: 356 247
review2 fill in the blanks: 124=( )+( )+( ) 356=( )+( )+( ) 603=( )+( )+( ) 540=( )+( )+( ) 100 20 4 300 50 6 600 3 500 40
Stand A:356, Stand B:247, How many people are there total in stand A and B ?
356 + 247 = ? How to do three-digit number addition?
603 603 500 90 13
603 603 500 90 13
Use the number line 603 603
Use the number line 603 603
Compare: 603 603 U add U H add H T add T T add T H add H U add U 603 603 Add H Add U Add T Add T Add U Add H 603 603
1 Look at the picture and fill the blanks、 234 342 234+342= 200+( )= 30+( )= ( )+2=
=346+( )+( )+ ( ) = ( )+( )+ ( ) = ( )+ ( ) = ( ) 2. Use the number line and fill the blanks 346 546 +200 +50 +5 596 ( ) ★ 346+255 =346+( )+( )+ ( ) = ( )+( )+ ( ) = ( )+ ( ) = ( )
3. use your favorite way to do it、 728+276
choose two toys,how much is the total? 364 RMB 230 RMB 109RMB 237RMB 186RMB