1

Finde die richtige Rechenoperation!

8 5 = 3
8 1 = 9
1 9 = 10
16 8 = 8
3 9 = 12
16 7 = 9
14 7 = 7
4 2 = 6
5 3 = 2

2

Fülle die Lücken!

2 + = 6
3 + 4 =
1 + 3 =
8 + = 14
2 + = 9
+ 4 = 7
8 + 1 =
4 + = 10
3 + = 10

3

Fülle die Lücken! (Zahlen 1-200)

70 - = 41
30 - = 24
98 - = 64
10 - = 1
76 - = 45
82 - = 3
94 - = 91
86 - = 9
94 - = 15

4

Fülle die Lücken! (Zahlen 1-100)

70 - = 67
63 - = 35
28 - = 22
51 - = 44
30 - = 3
65 - = 6
46 - = 4
15 - = 9
62 - = 18

5

Fülle die Lücken! (Dezimalstellen)

14,30 - = 5,35
11,60 - = 4,71
11,55 - = 8,67
9,93 - = 5,39
11,16 - = 9,70
6,28 - = 2,81
7,21 - = 1,97
12,31 - = 9,42
11,27 - = 5,52

6

Multipliziere!

4,86 ⋅ 7,74 =
2,94 ⋅ 4,28 =
6,59 ⋅ 8,19 =
3,52 ⋅ 4,29 =
4,48 ⋅ 4,00 =
8,12 ⋅ 2,90 =

7

Multipliziere und runde entsprechend!

9,83 € ⋅ 1,00 =
8,49 € ⋅ 4,70 =
7,27 € ⋅ 8,73 =
5,10 € ⋅ 9,68 =
7,75 € ⋅ 2,47 =
9,95 € ⋅ 6,80 =

8

Dividiere!

27 : 9 =
16 : 8 =
72 : 9 =
27 : 3 =
16 : 2 =
10 : 5 =

9

Berechne!

$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} 9^2 = \cloze{81}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} 8^2 = \cloze{64}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \cloze{8}^2 = 64$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} 6^2 = \cloze{36}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \cloze{2}^2 = 4$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \cloze{5}^2 = 25$

10

Berechne!

$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \sqrt{64} = \cloze{8}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \sqrt{\cloze{36}} = 6$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \sqrt{16} = \cloze{4}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \sqrt{\cloze{1}} = 1$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \sqrt{\cloze{64}} = 8$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \sqrt{9} = \cloze{3}$

11

Kürze so weit wie möglich!

$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{18}{9}=\frac{\cloze{6}}{\cloze{3}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{27}{24}=\frac{\cloze{9}}{\cloze{8}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{90}{18}=\frac{\cloze{10}}{\cloze{2}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{56}{7}=\frac{\cloze{8}}{\cloze{1}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{6}{6}=\frac{\cloze{6}}{\cloze{6}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{54}{48}=\frac{\cloze{9}}{\cloze{8}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{40}{40}=\frac{\cloze{5}}{\cloze{5}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{27}{3}=\frac{\cloze{9}}{\cloze{1}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{20}{45}=\frac{\cloze{4}}{\cloze{9}}$

12

Kürze so weit wie möglich!

$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{63}{35}=\cloze{ \frac{9}{5} }$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{54}{45}=\cloze{ \frac{6}{5} }$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{40}{56}=\cloze{ \frac{5}{7} }$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{18}{30}=\cloze{ \frac{6}{10} }$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{9}{12}=\cloze{ \frac{3}{4} }$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{1}{7}=\cloze{ \frac{1}{7} }$

13

Kürze so weit wie möglich!

$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{3}{3} =\frac{\cloze{1}}{\cloze{1}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{80}{40} =\frac{\cloze{2}}{\cloze{1}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{28}{8} =\frac{\cloze{7}}{\cloze{2}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{15}{9} =\frac{\cloze{5}}{\cloze{3}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{5}{7} =\frac{\cloze{5}}{\cloze{7}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{18}{18} =\frac{\cloze{1}}{\cloze{1}}$

14

Addiere und Kürze so weit wie möglich!

$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{3}{8}+\frac{9}{7} =\cloze{\frac{3 ⋅ 7}{8 ⋅ 9}} =\cloze{\frac{21}{72}} =\cloze{\frac{7}{24}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{1}{8}+\frac{2}{5} =\cloze{\frac{1 ⋅ 5}{8 ⋅ 2}} =\cloze{\frac{5}{16}} =\cloze{\frac{5}{16}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{7}{2}+\frac{4}{8} =\cloze{\frac{7 ⋅ 8}{2 ⋅ 4}} =\cloze{\frac{56}{8}} =\cloze{\frac{7}{1}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{2}{7}+\frac{8}{2} =\cloze{\frac{2 ⋅ 2}{7 ⋅ 8}} =\cloze{\frac{4}{56}} =\cloze{\frac{1}{14}}$

15

Addiere und Kürze so weit wie möglich!

$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{1}{1}+\frac{2}{4} =\cloze{\frac{2}{1}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{9}{4}+\frac{4}{4} =\cloze{\frac{9}{4}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{3}{2}+\frac{2}{6} =\cloze{\frac{9}{2}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{4}{8}+\frac{6}{5} =\cloze{\frac{5}{12}}$

16

Multipliziere und Kürze so weit wie möglich!

$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{3}{1}⋅\frac{6}{8} =\cloze{\frac{18}{8}} =\cloze{\frac{9}{4}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{4}{5}⋅\frac{9}{3} =\cloze{\frac{36}{15}} =\cloze{\frac{12}{5}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{5}{7}⋅\frac{4}{4} =\cloze{\frac{20}{28}} =\cloze{\frac{5}{7}}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{6}{8}⋅\frac{6}{8} =\cloze{\frac{36}{64}} =\cloze{\frac{9}{16}}$

17

Berechne x!

10 + x = 15; x =
8 + x = 11; x =
2 + x = 6; x =
8 + x = 17; x =
6 + x = 14; x =
4 + x = 8; x =

18

Berechne x!

$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \begin{aligned} \frac{8(x + 3)}{2} &=16\\ x &= \cloze{1} \end{aligned}$
$\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \begin{aligned} \frac{4(x + 7)}{10} &=3.6\\ x &= \cloze{2} \end{aligned}$