2 x table
2x2 + 3x2 + 4x2 =
4 + 6 + 8 = 18
Which ones are multiple of 5:
52 22 12 25
25
All multiples of 10 are even ,
Ture or false
True
20 ÷ 2 < = > 40 ÷ 4
10 = 10
Mikel runs 5 km everyday and Karina does run 3 km more than him everyday.
How many kilometers more does she run than Mikel each week ?
mikel = 5 x 7 = 35
karina = 5 + 3 = 8 km
8 x 7 = 56
56 - 35 = 21 kilometers more every week
10 x 2 + 5 x 2 - 3 =
20 + 10 - 3 = 27
6 x 5 > = < 5 x 6
30 = 30
10 x 4 > = < 4 x 10
40 = 40
25 ÷ 5 =
5
( 5 x 5 = 25 )
There are 46 birds perched on the branches of a tree. How many feet are there on the branches?
46 x 2 = 92
There are 92 feet on the branches.
2 + 2 + 2 + 2 + 2 + 2 = > < 6 x 2
12 = 12
9 x 5 + 1 x 5 + 2 x 5 =
45 + 5 + 10 = 60
1 x 10 + 10 x 1 =
10 + (1+1+1+1+1+1+1+1+1+1+1= 20
35 ÷ 7 =
5
( 7 x 5 = 35 )
Stefan has 7 bags of apples. Each bag has 6 apples.
Annabel has 6 bags of apples. Each of her bags has 7 apples.
How many apples do they have together?
Stefan: 7 x 6 = 42
Annabel: 6 x 7 = 42
2 x 42 = 84 apples together
14 x 2 < > = 7 x 2 + 2 x 7
28 = 14 + 14
All multiples of 5 are also multiples of 10,
True or false
False
( 5, 10, 15, 20, 25, 30 etc.... the ones that have a 5 in the ones column are NOT muliples of 10)
10 x 10 + 11 x 10 =
100 + 110 = 210
100÷ 2 + 100÷ 5 + 100 ÷ 10 =
50 + 20 + 10 = 80
Trains arrived every 45 minutes. The first train arrived at 6:15 in the morning. At what time will the next train arrive?
The next train will arrive at 7 o’clock in the morning.
0 x 2 = ?
0 , cero
10 x 5 + 5 x 10 =
100
10 x ___?__ = 1000
10 x 100 = 1000
18 ÷ 2 + 18 ÷ 3 =
9 + 6 = 15
A chicken lays 2 eggs on Monday.
It lays double that amount on Tuesday, and that happens that during a whole week ! (laying down double the amount from the previous day)
How many eggs does it lay in a week?
2 + 4 + 8 + 16 + 32 + 64 + 128 = 254 eggs