Start at 10 and count by tens until 50.
10, 20, 30, 40, 50
Count to 5 by ones!
1, 2, 3, 4, 5
Count to 30 by tens!
10, 20, 30
What is 1 + 1?
2!
Count to 30 by ones!
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30
Count to 10 by ones!
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
Count to 70 by tens!
10, 20, 30, 40, 50, 60, 70
What is 2 + 2?
4!
Start at 90 and count by ones to 100.
90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100
What number comes before 100 when counting by ones?
99!
What will all the numbers end with when counting by tens if we start at 10?
0!
What is 3 + 3?
6!
Start at 10 and count to 100 by tens!
10, 20, 30, 40, 50, 60, 70, 80, 90, 100
By how much does each number increase when counting by ones?
1!
By how much does each number increase by when counting by tens?
10!
What is 4 + 4?
8!
Count to 200 by fives!
5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150, 155, 160, 165, 170, 175, 180, 185, 190, 195, 200!
What number do all the number end with when counting by ones?
Lots of different numbers!
What is the helpful hint to remember when counting by tens when we use a hundreds?
That the first number (tens place) will increase by one each time and it will be followed by a 0! AND we can use the hundreds chart and count going up and down.
What is 5 + 5?
10!