Find 4,971 + 2,429. Use mental math.
7,400
Estimate each sum of difference. 8,352 - 3,421
5,000
Find 9,000 - 6,280.
2,720
Cheeseburgers Sold
Friday: 4,352
Saturday: 1,009
Sunday: 2,877
Estimate the number of cheeseburgers sold by rounding each number to the nearest thousands and find the sum.
8,000
square root of 64
8
Find 1,089 - 961. Use mental math
128
Estimate each sum or difference. 55,748 - 28,392
90,000
Find 100- 78.
22
Cheeseburgers Sold
Friday: 4,352
Saturday: 1,009
Sunday: 2,877
Write an equation to find how many cheeseburgers were sold
4,352 + 1,009 + 2,877 = 8,238
write the expanded form of 63
6 + 6 + 6
Find 47,676 - 16,521 Use mental math.
31, 155
Estimate each sum or difference. 995,275 + 4,921
1,000,000
Find 50,000 - 14,567.
Enter the missing digit to complete the subtraction. 10,456
- 6, 452
_____________
__,___ 04
4, 0
square root of 49
7
Find 5,342 + 1,999. Use mental math.
7,341
Estimate each sum or difference. 17,586 - 9,483
9,000
Find 1,000 - 435
565
Complete the equation to make it true.
12,869 + 16,319 = ______ + 15,402
13,789
Evaluate 54
625
Find 92,425 + 31,625. Use mental math
124,050
Estimate each sum or difference. 823,725 + 44,851
860,000
Estimate each sum or difference. 300,000 - 17,987
282,013
Find the difference. 9,606- 939
8,667
square root of 9
3