Page 5 - Math,prim3 flip book
P. 5
Delta Modern Language Schools
Primary stage
Math department
st
Grade 3 (1 term 2024/2025)
Chapter (2)
➢ Thousands
Notice the Value and place value in the number 295,487
Hundred Ten Thousands Hundreds Tens Ones
thousands thousands
2 9 5 4 8 7
200,000 90,000 5,000 400 80 7
The Value The place Value
❖ Standard form: 295,487
❖ Expanded form: 200,000 + 90,000 + 5,000 + 400 + 80 + 7
❖ Word form: two hundred ninety-five thousand, four hundred eighty- seven
❖ Unit form: 2 hundred thousand, 9 ten thousand, 5 thousand, 4 hundreds,
8 tens and 7 ones
➢ Array
Order objects in horizontal rows and vertical columns.
▪ Number of rows is 2
▪ Number of rows is 3
Witten as 2 rows of 3 or 3 columns of 2
We can find the total items with different ways
1) Skip counting.
2 rows of 3 - skip counting by 3 two times: 3, 6
3 columns of 2 – skip counting by 2 three times: 2, 4, 6
2) Repeated addition.
2 rows of 3 2 + 2 + 2 =6
3 columns of 2 3 + 3 = 6 Hint
n columns × n columns
3) Multiplication.
2 × 3 = 6 or 3 × 2 = 6
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