Standard Algorithm
Volume: Quar ts and Cups
Subtraction #1
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
4
2
0
1
qts
cups
6
3
1
2
qts
cups
9
4
0
3
qts
cups
6
2
1
3
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
9
4
1
2
qts
cups
5
2
1
3
qts
cups
6
4
0
2
qts
cups
8
3
0
1
www.GregTangMath.com
Standard Algorithm
Volume: Quar ts and Cups
Subtraction #2
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
7
1
0
2
qts
cups
9
6
0
1
qts
cups
9
1
1
3
qts
cups
7
5
2
3
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
9
1
0
1
qts
cups
6
3
1
2
qts
cups
6
2
0
3
qts
cups
5
3
1
2
www.GregTangMath.com
Standard Algorithm
Volume: Quar ts and Cups
Subtraction #3
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
8
1
0
2
qts
cups
9
5
0
3
qts
cups
5
2
0
2
qts
cups
9
4
1
3
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
9
3
0
1
qts
cups
9
5
1
2
qts
cups
7
2
1
3
qts
cups
9
6
2
3
www.GregTangMath.com
Standard Algorithm
Volume: Quar ts and Cups
Subtraction #4
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
8
3
0
1
qts
cups
9
5
1
3
qts
cups
9
1
0
3
qts
cups
7
4
0
1
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
9
3
0
3
qts
cups
9
7
1
3
qts
cups
9
3
1
2
qts
cups
7
5
2
3
www.GregTangMath.com
Standard Algorithm
Volume: Quar ts and Cups
Subtraction #5
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
5
2
0
2
qts
cups
9
3
1
3
qts
cups
8
4
2
3
qts
cups
5
3
1
2
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
9
1
2
3
qts
cups
5
3
0
3
qts
cups
9
2
0
2
qts
cups
9
7
2
3
www.GregTangMath.com
Standard Algorithm
Volume: Quar ts and Cups
Subtraction #6
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
8
4
1
3
qts
cups
3
1
1
2
qts
cups
9
4
2
3
qts
cups
9
6
1
2
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
8
1
0
1
qts
cups
7
2
1
2
qts
cups
8
1
0
3
qts
cups
9
6
0
2
www.GregTangMath.com
Standard Algorithm
Volume: Quar ts and Cups
Subtraction #7
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
9
1
1
3
qts
cups
9
3
1
2
qts
cups
7
5
0
3
qts
cups
4
1
0
1
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
7
5
0
3
qts
cups
8
2
1
2
qts
cups
9
5
0
2
qts
cups
8
3
1
2
www.GregTangMath.com
Standard Algorithm
Volume: Quar ts and Cups
Subtraction #8
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
8
4
0
2
qts
cups
5
2
1
3
qts
cups
9
5
1
2
qts
cups
5
2
0
2
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
8
4
0
1
qts
cups
6
3
2
3
qts
cups
9
1
1
3
qts
cups
6
3
0
3
www.GregTangMath.com
Standard Algorithm
Volume: Quar ts and Cups
Subtraction #9
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
3
1
1
2
qts
cups
5
2
2
3
qts
cups
7
3
1
3
qts
cups
9
2
0
3
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
5
1
0
1
qts
cups
7
5
2
3
qts
cups
9
4
0
2
qts
cups
7
3
1
3
www.GregTangMath.com
Standard Algorithm
Volume: Quar ts and Cups
Subtraction #10
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
9
2
0
1
qts
cups
6
1
0
3
qts
cups
9
3
0
1
qts
cups
6
2
2
3
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
5
3
0
2
qts
cups
8
4
2
3
qts
cups
7
5
1
3
qts
cups
5
2
2
3
www.GregTangMath.com
Standard Algorithm
Volume: Quar ts and Cups
Subtraction #11
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
8
1
0
3
qts
cups
5
3
0
2
qts
cups
6
2
2
3
qts
cups
7
4
1
2
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
8
3
0
3
qts
cups
8
6
0
1
qts
cups
7
4
1
3
qts
cups
8
3
2
3
www.GregTangMath.com
Standard Algorithm
Volume: Quar ts and Cups
Subtraction #12
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
8
2
0
3
qts
cups
9
1
2
3
qts
cups
6
4
1
2
qts
cups
9
5
2
3
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
5
3
0
1
qts
cups
6
1
0
2
qts
cups
7
5
1
3
qts
cups
6
1
1
2
www.GregTangMath.com
Standard Algorithm
Volume: Quar ts and Cups
Subtraction #13
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
9
6
0
1
qts
cups
8
2
1
2
qts
cups
8
5
0
3
qts
cups
8
6
0
1
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
9
3
2
3
qts
cups
6
2
0
1
qts
cups
7
4
1
3
qts
cups
5
1
2
3
www.GregTangMath.com
Standard Algorithm
Volume: Quar ts and Cups
Subtraction #14
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
9
3
1
3
qts
cups
6
4
2
3
qts
cups
8
2
1
3
qts
cups
7
3
0
1
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
9
6
1
3
qts
cups
8
4
0
3
qts
cups
9
3
0
1
qts
cups
8
4
0
2
www.GregTangMath.com
Standard Algorithm
Volume: Quar ts and Cups
Subtraction #15
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
8
2
2
3
qts
cups
7
3
1
3
qts
cups
3
1
0
1
qts
cups
8
3
1
2
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
6
4
2
3
qts
cups
8
3
1
2
qts
cups
9
5
0
3
qts
cups
7
2
0
2
www.GregTangMath.com
Standard Algorithm
Volume: Quar ts and Cups
Subtraction #16
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
7
1
1
3
qts
cups
6
4
1
2
qts
cups
8
3
1
3
qts
cups
9
1
2
3
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
9
5
0
1
qts
cups
9
4
0
2
qts
cups
9
1
1
2
qts
cups
8
4
2
3
www.GregTangMath.com
Standard Algorithm
Volume: Quar ts and Cups
Subtraction #17
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
9
7
0
3
qts
cups
9
5
1
3
qts
cups
5
2
0
1
qts
cups
9
5
2
3
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
9
1
0
2
qts
cups
6
2
0
3
qts
cups
7
5
1
3
qts
cups
9
4
1
2
www.GregTangMath.com
Standard Algorithm
Volume: Quar ts and Cups
Subtraction #18
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
6
3
2
3
qts
cups
3
1
0
1
qts
cups
6
3
1
2
qts
cups
3
1
2
3
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
8
5
1
2
qts
cups
5
3
2
3
qts
cups
6
1
1
3
qts
cups
8
4
0
2
www.GregTangMath.com
Standard Algorithm
Volume: Quar ts and Cups
Subtraction #19
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
3
1
1
2
qts
cups
9
5
0
3
qts
cups
9
2
2
3
qts
cups
6
4
0
3
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
8
5
1
3
qts
cups
7
2
1
2
qts
cups
8
1
0
1
qts
cups
4
2
0
3
www.GregTangMath.com
Standard Algorithm
Volume: Quar ts and Cups
Subtraction #20
Regroup at 4
1.
-
2.
-
3.
-
4.
-
qts
cups
8
4
1
3
qts
cups
9
6
0
2
qts
cups
6
2
0
3
qts
cups
9
4
0
1
copyright © 2012 Creative Smarts Inc.
5.
-
6.
-
7.
-
8.
-
qts
cups
9
1
1
2
qts
cups
5
2
2
3
qts
cups
9
1
1
3
qts
cups
6
3
1
2
www.GregTangMath.com