Grade 5 students apply decimal comparison to real measurement contexts — running times in seconds and bag weights in kilograms. They determine faster times (smaller magnitudes) and heavier weights (greater magnitudes) by padding decimals to align place values. Fill-in and matching activities build fluency with tenths, hundredths, thousandths, ascending sequence, and equivalent decimals such as 7.5 kg and 7.50 kg.
Style:
Comparing and Ordering Decimals
Part A: Fill in the Blank
Write the missing word or number on each line.
1. Lia ran the 100m in 12.45 s and Tia ran it in 12.5 s. The faster runner is Lia.
2. A puppy weighs 4.08 kg and a kitten weighs 4.8 kg. The heavier animal is the kitten.
3. Three sprints clocked 9.81 s, 9.18 s, and 9.8 s. The slowest sprint took 9.81 s.
4. A bag of rice is 2.305 kg and a bag of flour is 2.35 kg. The lighter bag is rice.
5. Order these run times in ascending order: 11.2 s, 11.02 s, 11.22 s. The middle time is 11.2 s.
6. A box weighs 7.5 kg and a crate weighs 7.50 kg. The heavier item is the neither.
7. Sam swam 50m in 38.6 s, 38.06 s, and 38.66 s on three tries. His best (fastest) time was 38.06 s.
8. A truck carries 12.4 kg, 12.04 kg, and 12.44 kg loads. The heaviest load is 12.44 kg.
9. A 200m race finished with times 25.3 s, 25.30 s, 25.03 s. The fastest time was 25.03 s.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
A: Run time 14.05 s vs 14.5 s — faster is
→ 14.05 s (smaller magnitude)
14.05 s (smaller magnitude)
B: Weight 3.2 kg vs 3.20 kg — heavier is
→ neither — they are equal
neither — they are equal
C: Time 8.09 s vs 8.9 s — slower is
→ 8.9 s (greater magnitude)
8.9 s (greater magnitude)
D: Weight 5.55 kg vs 5.555 kg — lighter is
→ 5.55 kg (less than 5.555 kg)
5.55 kg (less than 5.555 kg)
Comparing and Ordering Decimals
★ Part A: Fill in the Blank
Write the missing word or number on each line.
1) Lia ran the 100m in 12.45 s and Tia ran it in 12.5 s. The faster runner is Lia.
2) A puppy weighs 4.08 kg and a kitten weighs 4.8 kg. The heavier animal is the kitten.
3) Three sprints clocked 9.81 s, 9.18 s, and 9.8 s. The slowest sprint took 9.81 s.
4) A bag of rice is 2.305 kg and a bag of flour is 2.35 kg. The lighter bag is rice.
5) Order these run times in ascending order: 11.2 s, 11.02 s, 11.22 s. The middle time is 11.2 s.
6) A box weighs 7.5 kg and a crate weighs 7.50 kg. The heavier item is the neither.
7) Sam swam 50m in 38.6 s, 38.06 s, and 38.66 s on three tries. His best (fastest) time was 38.06 s.
8) A truck carries 12.4 kg, 12.04 kg, and 12.44 kg loads. The heaviest load is 12.44 kg.
9) A 200m race finished with times 25.3 s, 25.30 s, 25.03 s. The fastest time was 25.03 s.
★ Part B: Matching
Match each item on the left to the correct answer on the right.
1) Match each item to its correct answer.
A: Run time 14.05 s vs 14.5 s — faster is
→ 14.05 s (smaller magnitude)
14.05 s (smaller magnitude)
B: Weight 3.2 kg vs 3.20 kg — heavier is
→ neither — they are equal
neither — they are equal
C: Time 8.09 s vs 8.9 s — slower is
→ 8.9 s (greater magnitude)
8.9 s (greater magnitude)
D: Weight 5.55 kg vs 5.555 kg — lighter is
→ 5.55 kg (less than 5.555 kg)
5.55 kg (less than 5.555 kg)
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