Advertisements
Advertisements
Question
Circle the correct subtraction fact (by using casting out nine).
7420 − 3625 = 3795
Advertisements
Solution
7420 – 3625 = 3795
7420 – 3625 = 3795
4 – 7 = 15
4 = 15 + 7
4 = 6 + 7
4 = 13
4 = 4
APPEARS IN
RELATED QUESTIONS
Circle the multiples of 9 (by using casting out nine).
23769
Circle the correct division fact (by using method of casting out nine).
7785 ÷ 9 = 865
Circle the correct multiplication fact (by using method of casting out nine).
312 × 36 = 11232
Complete the following sequence.
125, 150, 175, ______, ______, _______.
Complete the following sequence.
| A100 | C300 | E500 |
Complete the following sequence.
| 200 | 400 | 600 |
Complete the following sequence.
9 × 6 = 54
9 × 66 = 594
9 × 666 = 5994
9 × 6666 = 5 ______ 4
9 × 666666 = _____________
Now try doing it with some other number and also take a different number to add at each step.
What if someone gives you to add ten numbers together?

Did you notice some pattern in the answers?
Look at this pattern of numbers and take it forward.
1 = 1 × 1
121 = 11 × 11
12321 = 111 × 111
1234321 = ?
