Level 1 (Easier)

1. Add: $5.6 + 2.3 = 7.9$
2. Subtract: $7.8 - 3.4 = 4.4$
3. Add: $4.25 + 1.6 = 5.85$
4. Subtract: $9.7 - 5.12 = 4.58$
5. Add: $3.4 + 6.7 = 10.1$
6. Subtract: $8.9 - 2.3 = 6.6$
7. Add: $7.05 + 2.3 = 9.35$
8. Subtract: $6.8 - 3.9 = 2.9$
9. Add: $4.6 + 5.12 = 9.72$
10. Subtract: $8.2 - 4.6 = 3.6$

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Level 2 (Challenging)

1. Add: $25.6 + 13.45 = 39.05$
2. Subtract: $37.89 - 19.63 = 18.26$
3. Add: $46.75 + 21.3 = 68.05$
4. Subtract: $92.8 - 57.42 = 35.38$
5. Add: $33.4 + 66.7 = 100.1$
6. Subtract: $89.7 - 23.45 = 66.25$
7. Add: $70.05 + 23.6 = 93.65$
8. Subtract: $68.9 - 38.26 = 30.64$
9. Add: $46.25 + 51.6 = 97.85$
10. Subtract: $82.4 - 46.99 = 35.41$

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Mixed Operations

1. Medium: $4.7 + 8.9 - 3.2 = 10.4$
2. Medium: $12.5 - 6.3 + 4.7 = 10.9$
3. Hard: $34.6 - 12.3 + 5.7 - 2.4 = 25.6$
4. Hard: $56.78 - 23.45 + 12.34 - 9.87 = 35.8$

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Word Problems

1. Medium: Sarah bought a toy for $13.25 and a book for $8.97.
   • Total spent: $13.25 + 8.97 = 22.22$
2. Medium: A car traveled 124.6 miles on Monday and 89.3 miles on Tuesday.
   • Total distance: $124.6 + 89.3 = 213.9$ miles.

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Would you like further clarification or detailed explanations?

Related Questions:

1. How can I use estimation to simplify calculations with decimals?
2. What are the rules for rounding decimal numbers?
3. Why is it important to line up decimal points when adding or subtracting?
4. How do mixed operations affect order of calculations?
5. Can word problems be solved with diagrams or visual aids?

Tip:

When adding or subtracting decimals, always align the decimal points to ensure accuracy.