Comparing Three-Digit Numbers — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. Sam has 235 stickers and Mia has 253 stickers. Who has more?
A) Sam
B) Mia
C) Same amount
D) Cannot tell
5 tens is more than 3 tens, so Mia's 253 is greater than Sam's 235.
2. Book A has 412 pages. Book B has 421 pages. Which is longer?
A) Book A
B) Book B
C) Equal
D) Neither
2 tens beats 1 ten, so Book B with 421 pages is longer.
3. Zoe took 678 steps. Leo took 687 steps. Who took fewer steps?
A) Zoe
B) Leo
C) Same
D) Neither
678 has 7 tens while 687 has 8 tens, so Zoe took fewer steps.
4. Ana saved 145 pennies. Ben saved 154 pennies. Who saved less?
A) Ben
B) Ana
C) Equal
D) Cannot tell
4 tens is less than 5 tens, so Ana saved less than Ben.
Part B: Fill in the Blank
Write the correct answer on each line.
1. Jill has 312 beads and Kim has 321 beads. 312 < 321
1 ten is less than 2 tens, so Jill has fewer beads than Kim.
2. The red bus drove 489 miles. The blue bus drove 498 miles. 489 < 498
8 tens is less than 9 tens, so 489 is less than 498.
3. Max read 256 pages and Eva read 256 pages. 256 = 256
Hundreds, tens, and ones are all the same, so the totals are equal.
4. Ty counted 734 leaves. Mo counted 743 leaves. 734 < 743
3 tens is less than 4 tens, so Ty's count is smaller.
5. Ivy has 567 marbles. Jo has 562 marbles. 567 > 562
7 ones is more than 2 ones, so Ivy has more marbles.