Learning multiplication by 6 and 7

Question 1

6 x 1

Answer 1

6

Question 2

6 x 2

Answer 2

12

a) count up in 2s, 6 times
b) half of 2 is 1, so put a 1 in the tens column, then copy the 2 for the ones column

Question 3

6 x 4

Answer 3

24

half of 4 is 2, so put a 2 in the tens column, then copy the 4 for the ones column

Question 4

6 x 6

Answer 4

36

half of 6 is 3, so put a 3 in the tens column, then copy the 6 for the ones column

Question 5

6 x 8

Answer 5

48

half of 8 is 4, so put a 4 in the tens column, then copy the 8 for the ones column

Question 6

6 x 10

Answer 6

60

Anything times ten just gets a zero to the right

Question 7

half of 2

Answer 7

1

Question 8

half of 4

Answer 8

2

Question 9

half of 6

Answer 9

3

Question 10

half of 8

Answer 10

4

Question 11

half of 10

Answer 11

5

Question 12

2 ÷ 2

Answer 12

1

Question 13

4 ÷ 2

Answer 13

2

Question 14

6 ÷ 2

Answer 14

3

Question 15

8 ÷ 2

Answer 15

4

Question 16

10 ÷ 2

Answer 16

5

Question 17

6 x 7

Answer 17

42

“The answer to life”

Question 18

7 x 6

Answer 18

42

a) “The answer to life”
b) half of 6 is 3 so put a 3 in the tens column, double 6 is 12 so put a 2 in the ones column and a 1 in the tens column

so 30 + 12 = 42

Question 19

7 x 1

Answer 19

7

Question 20

7 x 2

Answer 20

14

a) count up in 2s, 7 times
b) half of 2 is 1 so put a 1 in the tens column, double 2 is 4 so put a 4 in the ones column

Question 21

7 x 4

Answer 21

28

half of 4 is 2 so put a 2 in the tens column, double 4 is 8 so put an 8 in the ones column

Question 22

7 x 8

Answer 22

56

a) “Think 5 6 7 8”
b) half of 8 is 4 so put a 4 in the tens column, double 8 is 16 so put a 6 in the ones column plus one more in the tens column:

so 40 + 16 = 56

Question 23

7 x 10

Answer 23

70

“Anything times 10 adds a zero to the right”

Question 24

7 x 7

Answer 24

49

You must memorize this one. It will come back very often and is worth knowing very quickly. Take as long as you need to find a way to memorize this, but the answer needs to come to you immediately in the future.

Question 25

double 2

Answer 25

4

Question 26

double 4

Answer 26

8

Question 27

double 6

Answer 27

12

Question 28

double 8

Answer 28

16

a) Count up in 2s, 8 times
b) it takes 2 more to get to 10 since 8 and 2 are a “ten pair”, so there are 6 left to add (6 more in addition to 10 already added gives 16)

Question 29

2 x 2

Answer 29

4

Question 30

2 x 4

Answer 30

8

Question 31

2 x 6

Answer 31

12

Question 32

2 x 8

Answer 32

16

Question 33

6 x 3

Answer 33

18

6 x 3 = 6 x 2 + 6

and 6 x 2 = 12 because half of 2 is 1 and copy the 2

so…

6 x 3 = 12 + 6

6 x 3 = 18

Question 34

7 x 3

Answer 34

21

7 x 3 = 7 x 2 + 7

and 7 x 2 = 14 because half of 2 is 1 and double 2 is 4

so…

7 x 3 = 14 + 7

7 x 3 = 21

Question 35

6 x 5

Answer 35

30

count up in 5s, 6 times

Question 36

7 x 5

Answer 36

35

count up in 5s, 7 times

Question 37

6 x 9

Answer 37

54

Use 9 times table trick:

lower your 6th finger from the left

5 fingers to the left, so 5 in the tens column

4 fingers to the right, so 4 in the ones column

Question 38

7 x 9

Answer 38

63

Use 9 times table trick:

lower your 7th finger from the left

6 fingers to the left, so 6 in the tens column

3 fingers to the right, so 3 in the ones column