Explanation:
Each large square is a 10 × 10 grid, so it has
100 small squares total.
That means each small square =
1/100 = 0.01.
We count how many shaded squares there are in each problem, then multiply by 0.01 (or just write the count as hundredths — e.g., 27 shaded squares = 27/100 = 0.27).
Let’s go one by one:
1. Count shaded squares:
First column: 10 squares
Second column: 4 squares
Total = 10 + 4 =
14 → 14/100 =
0.14
2. Shaded area:
First 5 full columns = 5 × 10 = 50
Sixth column: 6 squares
Total = 50 + 6 =
56 →
0.56
3. Shaded area:
First 7 full columns = 7 × 10 = 70
Eighth column: 8 squares
Total = 70 + 8 =
78 →
0.78
4. Shaded area:
First column: 10
Second column: 10
Third column: 10
Fourth column: 10
Fifth column: 5
Total = 10×4 + 5 =
45 →
0.45
5. Shaded area:
First column: 10
Second column: 10
Third column: 10
Fourth column: 10
Fifth column: 1
Total = 10×4 + 1 =
41 →
0.41
6. Shaded area:
Only bottom-left square is shaded →
1 square →
0.01
7. Shaded area:
First 6 full columns = 6 × 10 = 60
Seventh column: 4 squares
Total = 60 + 4 =
64 →
0.64
8. Shaded area:
Only bottom-left square is shaded →
1 square →
0.01
Double-check each count to be sure:
1.
✔ 14 → 0.14
2.
✔ 56 → 0.56
3.
✔ 78 → 0.78
4.
✔ 45 → 0.45
5.
✔ 41 → 0.41
6.
✔ 1 → 0.01
7.
✔ 64 → 0.64
8.
✔ 1 → 0.01
All correct.
Final Answer:
1. 0.14
2. 0.56
3. 0.78
4. 0.45
5. 0.41
6. 0.01
7. 0.64
8. 0.01
Parent Tip: Review the logic above to help your child master the concept of place value mab worksheet.