Previous Standard
Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.
Next Standard
100 can be thought of as a bundle of ten tens - called a "hundred."
Worksheets
![2.oa.4 Worksheets - Creating Equations from Arrays worksheet 2.oa.4 Worksheets - Creating Equations from Arrays worksheet](/math/multiplication/creating equations from arrays/english/thumb.png)
![2.oa.4 Worksheets - Creating Equations from Arrays worksheet 2.oa.4 Worksheets - Creating Equations from Arrays worksheet](/math/multiplication/creating equations from arrays/english/thumb.png)
![2.oa.4 Worksheets - Rectangular Arrays worksheet 2.oa.4 Worksheets - Rectangular Arrays worksheet](/math/multiplication/multiplication array/english/thumb.png)
![2.oa.4 Worksheets - Rectangular Arrays worksheet 2.oa.4 Worksheets - Rectangular Arrays worksheet](/math/multiplication/multiplication array/english/thumb.png)