Subtract 763 − 421 using expanded form.

763 = 700 + 60 + 3
421 = 400 + 20 + 1

Subtract the hundreds, the tens, and the ones.

763 − 421 = 300 + +

Now find the difference.

763 − 421 =

Add 254 + 613 using expanded form.

254 = 200 + 50 + 4
613 = 600 + 10 + 3

Add the hundreds, the tens, and the ones.

254 + 613 = 800 + +

Now find the sum.

254 + 613 =

Add 154 + 111 using expanded form.

154 = 100 + 50 + 4
111 = 100 + 10 + 1

Add the hundreds, the tens, and the ones.

154 + 111 = 200 + +

Now find the sum.

154 + 111 =

Subtract 865 − 243 using expanded form.

865 = 800 + 60 + 5
243 = 200 + 40 + 3

Subtract the hundreds, the tens, and the ones.

865 − 243 = + + 2

Now find the difference.

865 − 243 =

Add 462 + 315 using expanded form.

462 = 400 + 60 + 2
315 = 300 + 10 + 5

Add the hundreds, the tens, and the ones.

462 + 315 = 700 + +

Now find the sum.

462 + 315 =

Subtract 968 − 843 using expanded form.

968 = 900 + 60 + 8
843 = 800 + 40 + 3

Subtract the hundreds, the tens, and the ones.

968 − 843 = + + 5

Now find the difference.

968 − 843 =

Add 491 + 302 using expanded form.

491 = 400 + 90 + 1
302 = 300 + 0 + 2

Add the hundreds, the tens, and the ones.

491 + 302 = 700 + +

Now find the sum.

491 + 302 =

Subtract 924 − 302 using expanded form.

924 = 900 + 20 + 4
302 = 300 + 0 + 2

Subtract the hundreds, the tens, and the ones.

924 − 302 = + + 2

Now find the difference.

924 − 302 =

Add 412 + 124 using expanded form.

412 = 400 + 10 + 2
124 = 100 + 20 + 4

Add the hundreds, the tens, and the ones.

412 + 124 = 500 + +

Now find the sum.

412 + 124 =

Subtract 763 − 241 using expanded form.

763 = 700 + 60 + 3
241 = 200 + 40 + 1

Subtract the hundreds, the tens, and the ones.

763 − 241 = + + 2

Now find the difference.

763 − 241 =

Add 432 + 114 using expanded form.

432 = 400 + 30 + 2
114 = 100 + 10 + 4

Add the hundreds, the tens, and the ones.

432 + 114 = 500 + +

Now find the sum.

432 + 114 =

Subtract 684 − 252 using expanded form.

684 = 600 + 80 + 4
252 = 200 + 50 + 2

Subtract the hundreds, the tens, and the ones.

684 − 252 = + + 2

Now find the difference.

684 − 252 =

Subtract 975 − 432 using expanded form.

975 = 900 + 70 + 5
432 = 400 + 30 + 2

Subtract the hundreds, the tens, and the ones.

975 − 432 = 500 + +

Now find the difference.

975 − 432 =

Add 621 + 113 using expanded form.

621 = 600 + 20 + 1
113 = 100 + 10 + 3

Add the hundreds, the tens, and the ones.

621 + 113 = 700 + +

Now find the sum.

621 + 113 =

Subtract 864 − 231 using expanded form.

864 = 800 + 60 + 4
231 = 200 + 30 + 1

Subtract the hundreds, the tens, and the ones.

864 − 231 = 600 + +

Now find the difference.

864 − 231 =

Subtract 735 − 614 using expanded form.

735 = 700 + 30 + 5
614 = 600 + 10 + 4

Subtract the hundreds, the tens, and the ones.

735 − 614 = + + 1

Now find the difference.

735 − 614 =

Add 341 + 115 using expanded form.

341 = 300 + 40 + 1
115 = 100 + 10 + 5

Add the hundreds, the tens, and the ones.

341 + 115 = 400 + +

Now find the sum.

341 + 115 =