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Timed Speed Challenge Sheets

Timed Speed Challenge Sheets

Course: Abacus for Children — Levels 1–3

Speed Drill · Premium

8 timed 5-minute speed challenges with progressive difficulty and scoring guide.

Abacus Mastery — Timed Speed Challenges

8 timed challenges with 20 problems each (160 total). Each challenge has a 5-minute time limit. Progressive difficulty from warm-up to expert level.

Scoring Guide

Base score: 1 point per correct answer (max 20 per challenge)

Time bonus: Under 3 min = +5 pts | Under 4 min = +3 pts | Under 5 min = +1 pt

Perfect bonus: 20/20 correct = +5 pts

Max possible per challenge: 30 points

Challenge 1 — Warm-Up

Difficulty: Easy
Time limit: 5 minutes
Start time: ______ End time: ______
1.2 + 3=
2.5 + 1=
3.4 + 2=
4.7 - 3=
5.3 + 4=
6.8 - 2=
7.1 + 6=
8.9 - 5=
9.5 + 4=
10.6 - 1=
11.3 + 3=
12.7 + 2=
13.8 - 4=
14.2 + 5=
15.9 - 6=
16.4 + 1=
17.6 + 3=
18.5 - 2=
19.1 + 8=
20.7 - 1=
Correct: ___ / 20
Time: ___ min ___ sec
Time bonus: ___
Total: ___ / 30

Challenge 2 — Building Speed

Difficulty: Easy-Medium
Time limit: 5 minutes
Start time: ______ End time: ______
1.4 + 3=
2.9 - 4=
3.3 + 5=
4.6 - 3=
5.7 + 1=
6.8 - 5=
7.2 + 7=
8.5 - 3=
9.4 + 4=
10.9 - 2=
11.6 + 2=
12.3 - 1=
13.8 + 1=
14.7 - 6=
15.1 + 5=
16.5 + 2=
17.9 - 7=
18.3 + 6=
19.4 - 2=
20.6 + 4=
Correct: ___ / 20
Time: ___ min ___ sec
Time bonus: ___
Total: ___ / 30

Challenge 3 — Complement Rules

Difficulty: Medium
Time limit: 5 minutes
Start time: ______ End time: ______
1.4 + 3=
2.9 + 2=
3.6 - 4=
4.8 + 5=
5.11 - 3=
6.7 + 6=
7.12 - 5=
8.3 + 4=
9.9 + 4=
10.13 - 6=
11.8 + 3=
12.10 - 7=
13.4 + 4=
14.7 + 5=
15.14 - 8=
16.6 + 7=
17.11 - 4=
18.9 + 3=
19.5 - 3=
20.8 + 6=
Correct: ___ / 20
Time: ___ min ___ sec
Time bonus: ___
Total: ___ / 30

Challenge 4 — Two-Digit Operations

Difficulty: Medium
Time limit: 5 minutes
Start time: ______ End time: ______
1.12 + 5=
2.23 - 4=
3.15 + 3=
4.31 - 6=
5.14 + 4=
6.27 - 3=
7.16 + 2=
8.25 - 5=
9.11 + 8=
10.34 - 7=
11.18 + 1=
12.22 - 9=
13.13 + 6=
14.29 - 4=
15.17 + 2=
16.26 - 8=
17.14 + 5=
18.33 - 6=
19.19 + 1=
20.21 - 3=
Correct: ___ / 20
Time: ___ min ___ sec
Time bonus: ___
Total: ___ / 30

Challenge 5 — Mixed Operations

Difficulty: Medium-Hard
Time limit: 5 minutes
Start time: ______ End time: ______
1.8 + 7=
2.23 - 8=
3.14 + 9=
4.31 - 14=
5.9 + 6=
6.45 - 7=
7.17 + 8=
8.26 - 9=
9.33 + 4=
10.42 - 15=
11.7 + 8=
12.19 - 6=
13.28 + 5=
14.35 - 8=
15.16 + 7=
16.41 - 6=
17.24 + 3=
18.38 - 9=
19.12 + 9=
20.50 - 13=
Correct: ___ / 20
Time: ___ min ___ sec
Time bonus: ___
Total: ___ / 30

Challenge 6 — Speed Push

Difficulty: Hard
Time limit: 5 minutes
Start time: ______ End time: ______
1.9 + 8=
2.34 - 17=
3.28 + 15=
4.41 - 23=
5.17 + 9=
6.53 - 8=
7.36 + 7=
8.45 - 19=
9.24 + 18=
10.62 - 14=
11.8 + 9=
12.47 - 28=
13.19 + 13=
14.55 - 16=
15.33 + 9=
16.71 - 24=
17.44 + 8=
18.38 - 19=
19.27 + 16=
20.60 - 23=
Correct: ___ / 20
Time: ___ min ___ sec
Time bonus: ___
Total: ___ / 30

Challenge 7 — Expert Level

Difficulty: Hard
Time limit: 5 minutes
Start time: ______ End time: ______
1.48 + 23=
2.75 - 28=
3.36 + 47=
4.81 - 34=
5.29 + 54=
6.63 - 19=
7.44 + 38=
8.92 - 45=
9.57 + 26=
10.70 - 33=
11.18 + 65=
12.84 - 37=
13.43 + 29=
14.76 - 48=
15.35 + 47=
16.91 - 56=
17.28 + 64=
18.87 - 29=
19.54 + 38=
20.100 - 43=
Correct: ___ / 20
Time: ___ min ___ sec
Time bonus: ___
Total: ___ / 30

Challenge 8 — Grand Master

Difficulty: Expert
Time limit: 5 minutes
Start time: ______ End time: ______
1.67 + 25=
2.93 - 47=
3.48 + 36=
4.82 - 55=
5.59 + 34=
6.71 - 28=
7.45 + 49=
8.96 - 38=
9.37 + 56=
10.84 - 67=
11.73 + 19=
12.61 - 34=
13.58 + 35=
14.100 - 57=
15.46 + 48=
16.89 - 42=
17.34 + 59=
18.77 - 39=
19.65 + 28=
20.91 - 64=
Correct: ___ / 20
Time: ___ min ___ sec
Time bonus: ___
Total: ___ / 30

Grand Total: ___ / 240

200+ = Grand Master | 160-199 = Expert | 120-159 = Proficient

80-119 = Developing | Below 80 = Keep practising

Part of these learning packs

Abacus Mastery Bundle

38 pages of printable practice sheets, answer keys with parent explanations, and timed speed drills for Abacus Levels 1–3

Timed 5-minute challenge pages. Track score and time each week to see real improvement.

These packs include this resource alongside other printables, tools, and study guides — curated for a specific goal. View all packs →

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