Week 03 · Odd, even and arrays
Wednesday
Rows and columns
// Pairs, doubles, rows and columns
⏱ about 15 min
Wednesday: Rows and columns
Lucy helps Bennie plant seeds in the garden.
"Let us plant them in neat rows," says Bennie.
They make 3 rows, with 4 seeds in each row.
"It looks like a little grid," says Lucy.
"That is called an array," says Bennie. "Now let us count."
Learn it: an array
An array has equal rows. Rows go across.
Columns go up and down.
This array has 3 rows with 4 dots in each row.
Add the rows: 4 + 4 + 4 = 12. There are 12 dots.
ROWS AND COLUMNS
- Read the question.
- Tap your answer.
How many rows go across?How many dots are in each row?
How many rows go across?
How many dots are in each row?ADD THE ROWS
- Read the question.
- Tap your answer.
4 + 4 + 4 = ?5 + 5 = ?
2 + 2 + 2 + 2 = ?
3 + 3 + 3 = ?COUNT THE 3 ROWS OF 4
- Add 4 for each row.
- Tap the totals in order.
1Row 1
2Row 2
3Row 3
Add the same number once for each row.
| Array | True or false? |
|---|---|
| 2 rows of 3 make 6. | ? |
| 4 rows of 4 make 14. | ? |
| 5 rows of 2 make 10. | ? |
WHY THIS EXERCISE4 + 4 + 4 + 4 is 16, not 14.
STORY PROBLEMS
- Read the question.
- Tap your answer.
Bennie plants 2 rows of seeds, 4 in each row. How many seeds?
Lucy sees 3 rows of daisies, 5 in each row. How many daisies?
There are 4 rows of chairs, 4 in each row. How many chairs?Try it
Make 2 rows of 5 spoons on the table.
Count the rows. Then count each row.
Add the rows to find the total.
Count the rows. Then count each row.
Add the rows to find the total.
Word Spot: never, started
Here are new sight words.
Look at each word. Say it. Spell it.
Never: N-E-V-E-R.
Started: S-T-A-R-T-E-D.
FIND THE WORD
- Listen to the word.
- Tap it.
Find the word you hear.
Find the word you hear.
Find the word you hear.
Find the word you hear.
FILL THE GAP
- Listen to the sentence.
- Tap the missing word.
I ___ give up.
The rain ___ after lunch.
Neat rows! Tomorrow Chris tells a garden story.