Addition (+)
4+4=?
4+4=8
7 - 4 = ?
7 - 4 = 3
2 * 7 = ?
2 * 7 = 14
4 : 2 = ?
4 : 2 = 2
7 : 2 = 3 R: 1
7 : 2 = 3, R: 1
(3*2=6)
Rechne:
17 mm + 4 mm = ?
Lösung:
17 mm + 4 mm = 21 mm oder 2,1 cm
35 + 20 = ?
35 + 20 = 55
35 - 20 = ?
35 - 20 = 15
10 * 7 = ?
10 * 7 = 70
15 : 5 = ?
15 : 5 = 3
12 : 5 = ?, R:?
12 : 5 = 2, R:2
(2+5=10)
Rechne:
2 cm - 5 mm = ?
Lösung:
2 cm = 20 mm
20mm - 5mm = 15mm oder 1,5cm
35 + 22 = ?
35 + 22 = 57
35 - 22 = ?
35 - 22 = 13
5 * 6 = ?
5 * 6 = 30
21 : 7 = ?
21 : 7 = 3
18 : 4 = ? R: ?
18 : 4 = 4 R: 2
(4*4=16)
Rechne um
was sind 23mm in cm?
Lösung:
23mm = 2,3 cm oder 2cm 3mm
35 + 28 = ?
35 + 28 = 63
35 - 28 = ?
35 - 28 = 7
8 * 8 = ?
8 * 8 = 64
40 : 8 = ?
40 : 8 = 5
Rechne um in mm:
4cm 5mm
Lösung:
4cm 5mm = 45mm
81 + ?= 92
81 +11 = 92
98 - 74 = ?
98 - 74 = 24
9 * 3 = ?
9 * 3 = 27