#13 Dual Borrow
³ 10 15
4 1 5
− 1 7 8
2 3 7
#14 Across 0
⁶ ⁹ 14
7 0 4
− 4 2 8
2 7 6
#15 Dual Borrow
⁷ 12 11
8 3 1
− 5 6 4
2 6 7
#16 Borrow Once
⁷ 16
8 6 3
− 4 8 1
3 8 2
#17 Across 00
⁸ ⁹ 10
9 0 0
− 5 3 7
3 6 3
#18 Dual Borrow
⁶ 14 12
7 5 2
− 3 8 6
3 6 6
#19 Across 0
⁵ ⁹ 15
6 0 5
− 2 7 9
3 2 6
#20 Dual Borrow
⁸ 13 12
9 4 2
− 4 7 8
4 6 4
Intervention Tips: • If student writes 0-digit diff backwards (e.g. 503−247: writing 4 instead of 6), re-model base-10 unbundling across 0. • Encourage checking with inverse addition: Answer + Subtrahend = Minuend.
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HTO
700
− 328
Workspace / Check
19
HTO
814
− 459
Workspace / Check
20
HTO
627
− 378
Workspace / Check
Self-Check: Checked each column Did not subtract smaller from larger on top
Effort:
Wednesday Subtraction Packet • Complete 20 Questions Page 2 of 2
2 2 8
#13 Dual Borrow
⁷ 15 12
8 6 2
− 3 9 7
4 6 5
#14 Borrow Once
⁶ 15
7 5 1
− 2 8 1
4 7 0
#15 Across 0
⁸ ⁹ 15
9 0 5
− 6 3 8
2 6 7
#16 Dual Borrow
⁶ 12 16
7 3 6
− 2 8 9
4 4 7
#17 Dual Borrow
⁴ 13 13
5 4 3
− 1 6 7
3 7 6
#18 Across 00
⁶ ⁹ 10
7 0 0
− 3 2 8
3 7 2
#19 Dual Borrow
⁷ 10 14
8 1 4
− 4 5 9
3 5 5
#20 Dual Borrow
⁵ 11 17
6 2 7
− 3 7 8
2 4 9
Intervention Tips: • Notice #14 has zero in the ones place of the answer (1−1=0). Ensure students don't skip writing 0. • Double regrouping problems #3, #9, #13 require careful two-step crossing out.
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HTO
741
− 365
Workspace / Check
19
HTO
800
− 524
Workspace / Check
20
HTO
613
− 297
Workspace / Check
Self-Check: Double checked my subtraction facts Proud of my effort this week!
Mastery:
Thursday Subtraction Packet • Complete 20 Questions Page 2 of 2
#13 Dual Borrow
⁴ 12 14
5 3 4
− 1 7 9
3 5 5
#14 Borrow Once
⁵ 14
6 4 9
− 2 8 3
3 6 6
#15 Dual Borrow
⁷ 14 12
8 5 2
− 4 7 8
3 7 4
#16 Across 0
³ ⁹ 15
4 0 5
− 1 6 9
2 3 6
#17 Dual Borrow
⁸ 11 16
9 2 6
− 5 4 8
3 7 8
#18 Dual Borrow
⁶ 13 11
7 4 1
− 3 6 5
3 7 6
#19 Across 00
⁷ ⁹ 10
8 0 0
− 5 2 4
2 7 6
#20 Dual Borrow
⁵ 10 13
6 1 3
− 2 9 7
3 1 6
Intervention Tips: • Assess fluency and speed: note if students hesitate when encountering numbers with middle zeroes vs. double zeroes. • Celebrate completion of the weekly 60-problem algorithm subtraction sequence!
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