Adding Numbers
4,000 + 6,215 = ?
10,215
3,007 - 27 = ?
2,980
Round 72 to the nearest ten
70
List all of the factors of 12
1,2,3,4,6,12
500 x 4 = ?
2,000
4,121 + 6,215 = ?
10,336
4,003 - 1,103 = ?
2,900
Round 180 to the nearest hundred
200
List all the factors of 36
1,2,3,4,6,9,12,18,36
706 x 3 = ?
2,118
2,999 + 6,871 = ?
9,870
2,000 - 1,490 = ?
510
Round 1,980 to the nearest hundred
2,000
List the first 5 multiples of 9
9,18,27,36,45
8,491 x 2 = ?
16,982
23,411 + 35,507 = ?
58,918
56,417 - 24,009 = ?
32,408
Round 17,750 to the nearest thousand
18,000
List the first 5 multiples of 12
12,24,36,48,60
1,789 x 8 = ?
14,312
72,418 + 41,291 = ?
113,709
86,496 - 54,101 = ?
32,395
Round 165,321 to the nearest ten thousand
170,000
Which of these numbers are prime? Write them ALL down.
1,3,4,7,8,13,17,21,23,25
1,3,7,13,17,23
146 x 19 = ?
2,774