Expanded Form
1,234 + 8,567
9,801
9,000 + 800 +1
1,879 + 676
2,555
2,000 + 500 + 50 + 5
What is the value of the tens digit when you add
5,555 + 5,555
11,110
10
Place value blocks 1456 + 8541
9,997
Use mental math to find the sum:
48 + 99
44 + 100 = 144
But since you weren't supposed to add 100, you were only supposed to add 99, you must subract 1
144-1 = 143
8,444 + 444
8,888
8,000 + 800 + 80 + 8
What is the value of the hundreds digit when you add
1111 + 7854
8,965
900
Use mental math to find the sum of 35 + 98
35 + 100 = 135
135 - 2 = 133
9,999 + 9,999
19,998
10,000 + 9,000 + 900 + 90 + 8
What is the value of the thousands digit when you add
6363 + 2222
8,585
8,000
Use mental math to solve
84 + 96
84 + 100 = 184
184 - 4 = 180
4,152 + 2,896
7,048
7,000 + 40 + 8
What is the value of the tens digit when you add
3259 + 4444
7,703
zero
Use mental math to solve
999 + 125
1,000 + 125 = 1,125
1,125 - 1 = 1,124
3,687 + 1,778
5,000 + 400 + 60 + 5
9, 8 4 5 +. 1, 6 2 5 =
11,470
What is the value of the thousands digit when you add
6,455 + 3,999
10,454
zero
What is the missing digit?
6 , 4 6 3
+ 1 , __ 5 6
8 , 9 1 9
4
Use mental math to solve:
999 + 998 = ?
1,000 + 1,000 = 2,000
2,000 - 3 = 1,997