Scroll:Mixed operations >> Input/output tables - write the rule - up to 20 >> saq (4067)

Written Instructions:

For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..

For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.

Leave your answers in the simplest form or correct to two decimal places.


 

1)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
18 10
16 8
17 9
19 11

Rule: -


Answer:_______________




2)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
1 15
0 14
1 15
3 17

Rule: +


Answer:_______________




3)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
1 3
4 6
5 7
7 9

Rule: +


Answer:_______________




4)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
18 7
19 8
20 9
22 11

Rule: -


Answer:_______________




5)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
2 10
4 12
5 13
7 15

Rule: +


Answer:_______________




6)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
6 10
0 4
1 5
3 7

Rule: +


Answer:_______________




7)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
18 9
17 8
18 9
20 11

Rule: -


Answer:_______________




8)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
4 9
3 8
4 9
6 11

Rule: +


Answer:_______________




9)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
9 16
0 7
1 8
3 10

Rule: +


Answer:_______________




10)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
15 6
17 8
18 9
20 11

Rule: -


Answer:_______________




 

1)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
18 10
16 8
17 9
19 11

Rule: - Answer: 8


SOLUTION 1 :

Start with the number in the In column. Figure out what number, when added to it, gives the value shown in the Out column.

18+8=10

16+8=8

17+8=9

19+8=11

The rule is: + {short:ans5}


SOLUTION 2 :

Start with the number in the In column. Figure out what number, when added to it, gives the value shown in the Out column.

18-8=10

16-8=8

17-8=9

19-8=11

The rule is: + {short:ans5}



2)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
1 15
0 14
1 15
3 17

Rule: + Answer: 14


SOLUTION 1 :

Start with the number in the column. Figure out what number, when added to it, gives the value shown in the Out column.

1+14=15

0+14=14

1+14=15

3+14=17

The rule is: + {short:ans5}



3)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
1 3
4 6
5 7
7 9

Rule: + Answer: 2


SOLUTION 1 :

Start with the number in the In column. Figure out what number, when added to it, gives the value shown in the Out column.

1+2=3

4+2=6

5+2=7

7+2=9

The rule is: + {short:ans5}



4)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
18 7
19 8
20 9
22 11

Rule: - Answer: 11


SOLUTION 1 :

Start with the number in the In column. Figure out what number, when added to it, gives the value shown in the Out column.

18+11=7

19+11=8

20+11=9

22+11=11

The rule is: + {short:ans5}


SOLUTION 2 :

Start with the number in the In column. Figure out what number, when added to it, gives the value shown in the Out column.

18-11=7

19-11=8

20-11=9

22-11=11

The rule is: + {short:ans5}



5)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
2 10
4 12
5 13
7 15

Rule: + Answer: 8


SOLUTION 1 :

Start with the number in the column. Figure out what number, when added to it, gives the value shown in the Out column.

2+8=10

4+8=12

5+8=13

7+8=15

The rule is: + {short:ans5}



6)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
6 10
0 4
1 5
3 7

Rule: + Answer: 4


SOLUTION 1 :

Start with the number in the In column. Figure out what number, when added to it, gives the value shown in the Out column.

6+4=10

0+4=4

1+4=5

3+4=7

The rule is: + {short:ans5}



7)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
18 9
17 8
18 9
20 11

Rule: - Answer: 9


SOLUTION 1 :

Start with the number in the In column. Figure out what number, when added to it, gives the value shown in the Out column.

18+9=9

17+9=8

18+9=9

20+9=11

The rule is: + {short:ans5}


SOLUTION 2 :

Start with the number in the In column. Figure out what number, when added to it, gives the value shown in the Out column.

18-9=9

17-9=8

18-9=9

20-9=11

The rule is: + {short:ans5}



8)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
4 9
3 8
4 9
6 11

Rule: + Answer: 5


SOLUTION 1 :

Start with the number in the column. Figure out what number, when added to it, gives the value shown in the Out column.

4+5=9

3+5=8

4+5=9

6+5=11

The rule is: + {short:ans5}



9)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
9 16
0 7
1 8
3 10

Rule: + Answer: 7


SOLUTION 1 :

Start with the number in the In column. Figure out what number, when added to it, gives the value shown in the Out column.

9+7=16

0+7=7

1+7=8

3+7=10

The rule is: + {short:ans5}



10)  

This inputoutput table shows addition. Find the rule and type the correct number in the blank.

In Out
15 6
17 8
18 9
20 11

Rule: - Answer: 9


SOLUTION 1 :

Start with the number in the In column. Figure out what number, when added to it, gives the value shown in the Out column.

15+9=6

17+9=8

18+9=9

20+9=11

The rule is: + {short:ans5}


SOLUTION 2 :

Start with the number in the In column. Figure out what number, when added to it, gives the value shown in the Out column.

15-9=6

17-9=8

18-9=9

20-9=11

The rule is: + {short:ans5}