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WorksheetsAbacus level 1
Total questions: 25
Worksheet time: 13mins
What is the instruments name?
Napiers rods
beads and rods
Abacus
beads
What is the name of the bar in the middle of the abacus
Middle bar
line of wood
bar in the middle
dotted line
what is the number shown on the abacus
11
55
44
2+2+5 -4 =
5
64
3
9
what is the number shown on the abacus?
4
2
3
6
What is the number shown in the abacus?
1
7
9
8
What is the number shown in the abacus?
2
7
6
5
what is the number shown in the abacus?
9
0
8
5
what is the number shown in the abacus?
1
0
9
10
what is the number shown on the abacus
4
5
1
9
2
2
-1
-1
-1
2
1
3
4
6
2
-5
-2
8
-5
-2
7
-5
2
3
4
1
9
-1
-7
8
-6
5
-7
8
-7
5
8
9
7
6
24+ 9 +1 =
30
32
34
35
39 -7 +8 =
39
40
41
42
57+8 - 5 +9 +7
80
60
76
75
19+6 +5 =
23
24
30
32
78+7 - 5 +9 =
81
83
87
89
81-7 +6 - 2=
38
68
78
98
65-6 - 8 +9 =
60
70
80
90
70-2 -6 +8 =
90
80
85
70
85- 20 - 6 +9 =
66
67
68
69
90-1 - 35 +6 =
40
60
80
100
19+ 1 +10 -1=
22
27
29
30
38-33+ 24 - 19 =
9
10
12
16
