Add & Subtract Big Numbers
34,215 + 12,480
46,695
2,436 × 4
9,744
Is 2/4 equivalent to 1/2?
Yes
Which is greater: 3/4 or 2/3?
3/4
3/4 + 1/4
1
82,604 - 39,875
42,729
1,207 × 6
7,242
Find an equivalent fraction for 3/5
6/10 (also 9/15, 12/20, etc.)
Order least to greatest:
1/2, 3/4, 2/4
1/2, 2/4, 3/4
7/5 as a mixed number
1 2/5
Which is greater?
56,231 − 8,499 or 42,106 + 3,987
56,231 − 8,499 = 47,732
42,106 + 3,987 = 46,093
✅ Greater: 47,732
3,184 × 3
9,552
Which is NOT equivalent to 4/6?
A) 2/3 B) 6/9 C) 8/12 D) 5/6
D) 5/6
True or False: 5/8 > 4/6
False
6/4 − 2/4
1
Estimate first, then solve:
49,876 + 25,129
➡️ Estimate: about 75,000
➡️ Exact Answer: 75,005
Which is greater?
4,125 × 2 or 2,784 × 3
4,125 × 2 = 8,250
2,784 × 3 = 8,352
✅ Greater: 8,352
Explain how you know two fractions are equivalent
They represent the same value; numerator and denominator are multiplied or divided by the same number. Approve by Ms. Collier.
Compare 7/10 and 3/5
They are equal (3/5 = 6/10)
2 1/3 + 4/3
3 2/3
Create a subtraction problem with a difference of exactly 25,000.
Ms. Collier must approve.
Explain a strategy to solve 3,906 × 5
Approve by Ms. Collier.
Create two fractions equivalent to 5/8
10/16 and 15/24
Explain why 6/8 and 3/4 are equal
Both simplify to the same fraction; 6 ÷ 2 = 3 and 8 ÷ 2 = 4
Write a fraction problem whose answer is 3 1/2
7/2 = 3 1/2