Math practice · Week 18 · Tuesday
I can write a repeated addition equation for an array.
Look: 2 rows of 5
- Each row has 5.
- 2 rows means two 5s: 5 + 5.
- 5 + 5 = 10.
Draw the array. Add the rows. Write the total.
- 4 rows of 3: ____ + ____ + ____ + ____ = ____Answer: 3 + 3 + 3 + 3 = 12
- 5 rows of 2: ____ = ____Answer: 2 + 2 + 2 + 2 + 2 = 10
- 2 rows of 2: ____ = ____Answer: 2 + 2 = 4
- 5 rows of 4: ____ = ____Answer: 4 + 4 + 4 + 4 + 4 = 20
Now go the other way.
- Draw the array for 3 + 3 + 3 + 3 + 3 = ____.Answer: 15; 5 rows of 3
Challenge
- How many 4s do you add for 4 rows of 4? What is the total?Answer: Four 4s. 4 + 4 + 4 + 4 = 16.
Second Grade · Week 18 · Tuesday · secondgrade.com