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 =

Add 241 + 113 using expanded form.

241 = 200 + 40 + 1
113 = 100 + 10 + 3

Add the hundreds, the tens, and the ones.

241 + 113 = 300 + +

Now find the sum.

241 + 113 =

Subtract 846 − 624 using expanded form.

846 = 800 + 40 + 6
624 = 600 + 20 + 4

Subtract the hundreds, the tens, and the ones.

846 − 624 = + + 2

Now find the difference.

846 − 624 =

Subtract 854 − 312 using expanded form.

854 = 800 + 50 + 4
312 = 300 + 10 + 2

Subtract the hundreds, the tens, and the ones.

854 − 312 = 500 + +

Now find the difference.

854 − 312 =

Add 531 + 112 using expanded form.

531 = 500 + 30 + 1
112 = 100 + 10 + 2

Add the hundreds, the tens, and the ones.

531 + 112 = 600 + +

Now find the sum.

531 + 112 =

Subtract 952 − 430 using expanded form.

952 = 900 + 50 + 2
430 = 400 + 30 + 0

Subtract the hundreds, the tens, and the ones.

952 − 430 = + + 2

Now find the difference.

952 − 430 =

Add 242 + 132 using expanded form.

242 = 200 + 40 + 2
132 = 100 + 30 + 2

Add the hundreds, the tens, and the ones.

242 + 132 = 300 + +

Now find the sum.

242 + 132 =

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 =

Subtract 642 − 210 using expanded form.

642 = 600 + 40 + 2
210 = 200 + 10 + 0

Subtract the hundreds, the tens, and the ones.

642 − 210 = 400 + +

Now find the difference.

642 − 210 =

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 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 =

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 =

Subtract 963 − 842 using expanded form.

963 = 900 + 60 + 3
842 = 800 + 40 + 2

Subtract the hundreds, the tens, and the ones.

963 − 842 = + + 1

Now find the difference.

963 − 842 =

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 =

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 273 + 416 using expanded form.

273 = 200 + 70 + 3
416 = 400 + 10 + 6

Add the hundreds, the tens, and the ones.

273 + 416 = 600 + +

Now find the sum.

273 + 416 =

Add 461 + 112 using expanded form.

461 = 400 + 60 + 1
112 = 100 + 10 + 2

Add the hundreds, the tens, and the ones.

461 + 112 = 500 + +

Now find the sum.

461 + 112 =