Mixed Math
True or False: Odd numbers can be shown as a doubles fact.
False
Count on by 1
10,11,12,13,____,15
14
What is an array?
Objects in equal rows and columns
Is 6 even or odd?
Even
Count by 5s starting at 10. What comes next?
15
Show how to skip count to find 12 counters in groups of 3.
3, 6, 9, 12
What comes next? 218, 219, ___, 221
220
How many objects are in 2 rows of 4?
8
What happens when one object is left without a partner?
odd
What place value pattern do you see when counting by 10s?
Tens place increases by 1
Write two addition equations with even sums.
4 + 4 = 8, 6 + 2 = 8
What pattern do you notice in 505, 510, 515, 520?
The ones digit is always 0 or 5.
Write two equations for 3 rows of 5.
5 + 5 + 5 = 15 and 3 + 3 + 3 + 3 + 3 = 15
Write a doubles fact that shows an even number.
4+4=8
What are the next 3 numbers? 235, 240, 245, ___, ___, ___
250, 255, 260
What is the next number after 719, 720, 721?
722
What number comes 3 after 997?
1000
Can 7 be shown in an array? Why or why not?
No, 7 can’t make equal rows.
Which numbers between 10 and 15 are odd?
11, 13, 15
When skip counting by 100s starting at 300, what comes after 500?
600
Create your own array and write a matching repeated addition equation.
Student-generated
How does the hundreds digit change when skip counting by 100s?
It increases by 1 each time.
If an array has 5 rows and 3 columns, how many total?
15
Explain how skip counting by 2s helps find even numbers.
Every number you say when skip counting by 2s is even.
True or False: You can only skip count starting at zero.
False