Skip Count By 7's
List all the factors of 7.
1x7
7 is a prime number. A prime number is a whole number greater than 1 that can only be divided equally by itself and 1. In other words, prime numbers have only themselves and 1 as factors.
List all the factors of 6, least to greatest.
1,2,3,6
1x6 6x1
2x3 3x2
8x1=
10x0=
100x0=
5x2=
5x2=10
4x5= A
A=20
4x5=20
5,10,15,20
4,8,12,16,20
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20÷5=4
5+5+5+5=20
20,16,12,8,4
Skip count by 7 starting at 7 till 70.
7,14,21,28,35,42,49,56,63,70
1x7=7
2x7=14
3x7=21
4x7=28
5x7=35
6x7=42
7x7=49
7x8=56
7x9=63
7x10=70
Skip count by 6's from 6 to 60.
6,12,18,24,30,36,42,48,54,60
2x7=
2x3=
8x2=
5x3=
8x2=16
24÷6=B
B=4
42÷6=4
6x4=24
6,12,18,24
Ella has 30 bunnies to put into their cages. Her mom said to put the same number of bunnies in each cage. Which of the following would not work and explain why it will not work?
a. 10 cages with 3 bunnies in each cage.
b. 6 cages with 5 bunnies in each cage.
c. 2 cages with 15 bunnies in each cage.
d. 8 cages with 4 bunnies in each cage.
d. 8
d. 8 cages with 5 bunnies in each cage.
This is not correct because 8x5=32 and there are not 32 bunnies there are only 30.
All of the other's multiply to 30
a. 10x3=30
b. 6x5=30
c. 2x15=30
Skip count by 7s starting at 10 to 31
10, 17, 24, 31
Skip count by 6's starting at 3 till 33.
3, 9,15,21,27,33
6x4=
7x4=
5x4=
4x4=
7x4=28
27=C x 3
C=9
27÷3=9
3x9=27
Try the 9s trick on your hands. Two hands in front, all ten fingers up, count from your left pink 3 fingers then put your 3rd finder down. Everything to the left is a ten and everything to the right are ones.
A farmer takes 64 watermelons to Shaheen's IGA to sell. The watermelons are equally separated and placed and placed into 8 boxes. How many watermelons are in each box?
64÷8=8
There are 8 watermelons in each box.
Skip count by 7's till you get to 7x11.
7x11=77
7x10=70+7=77
7,14,21, 28, 35, 42, 49, 56, 63, 70, 77
Skip count using 6's starting at 30 till you get to 6x11.
6x11=66
6x10=60+6=66
skip count: 30,36,42,48,54,60,66
7x10=
8x10
6x11
7x6=
8x10=80
4=32÷D
D=8
32÷4=8
4x8=32
8x2=16 8x2=16 16+16=32
If there are 8 melons in each box and each melon costs $6.00. Josie wants to buy 2 boxes of melons for a Christmas party. How much will it cost Josie for 2 boxes of melons?
8 melons x $6.00 = $48.00 (1 box of melons)
8 melons x $6.00 = $48.00 (1 box of melons)
$48+$48=$96.00
The student skip counted how many times if they started at 7 and ended at 49?
Student: "7, 14, 21, 28, 35, 42, 49"
7 times. 7x7=49
1x7=7
2x7=14
3x7=21
4x7=28
5x7=35
6x7=42
7x7=49
The student skip counted how many times if they started at 6 and ended at 42.
Student: "6,12,18,24,30,36,42"
7 times. 6x7=42
1x6=6
2x6=12
3x6=18
4x6=24
5x6=30
6x6=36
6x7=42
9x2=
3x7=
7x7=
6x7=
7x7=49
E÷6=3
E=18
18÷6=3
6x3=18
6,12,18
Ryder downloaded serval movies to watch over winter break. Each movie costs $6.00, he spent a total of $54.00 on the movies. How many movies did Ryder download to watch over winter break?
9 movies Ryder downloaded.
$54.00 ÷ $6.00= 9 movies