Students complete nine mixed-number computations including 1 2/5 + 2 1/5, 3 4/6 − 1 2/6, and 2 3/8 + 1 4/8, adding whole and fractional parts separately. The matching activity pairs four mixed-number expressions with their correct sums and differences.
Mixed-number addition and subtraction with like denominators is the essential computational step between simple fractions and the unlike-denominator work of Grade 5.
Style:
Adding & Subtracting Fractions
Part A: Fill in the Blank
Write the missing word or number on each line.
1. 125 + 215 = 335.
2. 346 − 126 = 226.
3. 238 + 148 = 378.
4. 459 − 219 = 249.
5. 114 + 324 = 434.
6. 5710 − 3210 = 2510.
7. 213 + 113 = 323.
8. 658 − 438 = 228.
9. 327 + 247 = 567.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
135 + 215
→ 345
556
478 − 138
→ 348
239
216 + 346
→ 556
348
559 − 329
→ 239
345
Adding & Subtracting Fractions
★ Part A: Fill in the Blank
Write the missing word or number on each line.
1) 1 2/5 + 2 1/5 = 3 3/5.
2) 3 4/6 − 1 2/6 = 2 2/6.
3) 2 3/8 + 1 4/8 = 3 7/8.
4) 4 5/9 − 2 1/9 = 2 4/9.
5) 1 1/4 + 3 2/4 = 4 3/4.
6) 5 7/10 − 3 2/10 = 2 5/10.
7) 2 1/3 + 1 1/3 = 3 2/3.
8) 6 5/8 − 4 3/8 = 2 2/8.
9) 3 2/7 + 2 4/7 = 5 6/7.
★ Part B: Matching
Match each item on the left to the correct answer on the right.
1) Match each item to its correct answer.
1 3/5 + 2 1/5
→ 3 4/5
5 5/6
4 7/8 − 1 3/8
→ 3 4/8
2 3/9
2 1/6 + 3 4/6
→ 5 5/6
3 4/8
5 5/9 − 3 2/9
→ 2 3/9
3 4/5
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10 Questions
10-15 minutes
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