Name:______________________________                  Date:_______________

Core A, B, C, or D                                                Mental Math #1

 

62 + 38            =  _____

 

80 + 27           = _____

 

76 + 34           =  _____

 

83 + 18           =  _____

 

75 + 26           =  _____

 

28 + 92          =  _____

 

91 + 50          =  _____

 

54 + 66          =  _____

 

85 + 17          =  _____

 

45 + 85          =  _____

 

19 + 91          =  _____

 

77 + 43          =  _____

 

53 + 47          =  _____

 

36 + 65          =  _____

 

95 + 44          =  _____

 

78 + 82          =  _____

 

49 + 52          =  _____

 

66 + 37          =  _____

 

17 + 89          =  _____

 

84 + 18          =  _____

Name:______________________________                  Date:_______________

Core A, B, C, or D                                                Mental Math #2

 

230 + 70            =  _____

 

105 + 107           = _____

 

350 + 60           =  _____

 

150 + 230           =  _____

 

147 + 600           =  _____

 

204 + 18          =  _____

 

320 + 500          =  _____

 

590 + 90          =  _____

 

470 + 40          =  _____

 

305 + 85          =  _____

 

760 + 240          =  _____

 

402 + 205          =  _____

 

270 + 60          =  _____

 

600 + 390          =  _____

 

830 + 80          =  _____

 

482 + 40          =  _____

 

560 + 440          =  _____

 

553 + 320          =  _____

 

369 +500          =  _____

 

629 + 280          =  _____

Name:______________________________                  Date:_______________

Core A, B, C, or D                                                Mental Math #3

 

315 + 80            =  _____

 

816 + 208           = _____

 

247 + 53           =  _____

 

590 +  40           =  _____

 

580 + 260           =  _____

 

256 + 70          =  _____

 

490 + 300          =  _____

 

1000 + 370          =  _____

 

360 + 86          =  _____

 

239 + 107          =  _____

 

670 + 80          =  _____

 

274 + 26          =  _____

 

440 + 270          =  _____

 

770 + 280          =  _____

 

284 + 18          =  _____

 

633 + 50          =  _____

 

208 + 109          =  _____

 

577 + 300          =  _____

 

530 +78             =  _____

 

470 + 30          =  _____

Name:______________________________                  Date:_______________

 

Core A, B, C, or D                                                Mental Math #4

 

722 + 99           =  _____

 

395 + 95           = _____

 

149 + 198           =  _____

 

238 + 299          =  _____

 

725 + 49           =  _____

 

144 + 98          =  _____

 

442 + 298          =  _____

 

856 + 99          =  _____

 

216 + 39          =  _____

 

298 + 199          =  _____

 

344 + 59          =  _____

 

482 + 79          =  _____

 

515 + 95          =  _____

 

166 + 98          =  _____

 

325 + 95          =  _____

 

609 + 299          =  _____

 

214 + 298          =  _____

 

499 + 99          =  _____

 

567 + 98             =  _____

 

899 + 89          =  _____

Name:______________________________                  Date:_______________

 

Core A, B, C, or D                                                Mental Math #6

 

163 - 69           =  _____

 

158 - 98          = _____

 

503 - 95          =  _____

 

486 - 79          =  _____

 

54 - 29           =  _____

 

204 - 27          =  _____

 

255 - 95          =  _____

 

494 - 89          =  _____

 

801 - 399          =  _____

 

608 - 99          =  _____

 

362 - 98          =  _____

 

961 - 198          =  _____

 

338 - 299          =  _____

 

282 - 177          =  _____

 

108 - 69          =  _____

 

126 - 99          =  _____

 

255 - 95          =  _____

 

305 - 39          =  _____

 

268 - 69             =  _____

 

168 - 89          =  _____

Name:______________________________                  Date:_______________

 

Core A, B, C, or D                                                Mental Math #7

 

33 - 17           =  _____

 

58 - 19          = _____

 

53 - 25          =  _____

 

86 - 79          =  _____

 

54 - 45           =  _____

 

82 - 27          =  _____

 

72 - 43          =  _____

 

94 - 59          =  _____

 

81 - 35          =  _____

 

68 - 19          =  _____

 

162 - 148          =  _____

 

261 - 198          =  _____

 

400 - 299          =  _____

 

182 - 177          =  _____

 

102 - 58          =  _____

 

226 - 99          =  _____

 

155 - 95          =  _____

 

135 - 39          =  _____

 

168 - 69             =  _____

 

122 - 89          =  _____

Name:______________________________                  Date:_______________

 

Core A, B, C, or D                                                Mental Math #8

 

252 - 38          =  _____

 

48 - 39          = _____

 

63 - 27          =  _____

 

186 - 179          =  _____

 

154 - 145           =  _____

 

182 - 126          =  _____

 

172 - 143          =  _____

 

194 - 159          =  _____

 

281 - 235          =  _____

 

168 - 119          =  _____

 

62 - 48          =  _____

 

61 - 34          =  _____

 

500 - 299          =  _____

 

82 - 77          =  _____

 

102 - 78          =  _____

 

226 - 97          =  _____

 

155 - 95          =  _____

 

335 - 39          =  _____

 

168 - 129             =  _____

 

222 - 79          =  _____

Name:______________________________                  Date:_______________

 

Core A, B, C, or D                                                Mental Math #9

 

99 - 39          =  _____

 

98 - 37          = _____

 

73 - 16          =  _____

 

88 - 79          =  _____

 

74 - 45           =  _____

 

82 - 26          =  _____

 

72 - 48          =  _____

 

94 - 79          =  _____

 

81 - 35          =  _____

 

68 - 19          =  _____

 

72 - 36          =  _____

 

60 - 38          =  _____

 

72 - 17          =  _____

 

81 - 75          =  _____

 

82 - 78          =  _____

 

126 - 97          =  _____

 

155 - 93          =  _____

 

35 - 19          =  _____

 

108 - 99             =  _____

 

110 - 89          =  _____

Name:______________________________                  Date:_______________

 

Core A, B, C, or D                                                Mental Math #10

 

619 - 399          =  _____

 

918 - 380          = _____

 

735 - 185          =  _____

 

518 - 88          =  _____

 

174 - 98           =  _____

 

812 - 296          =  _____

 

722 - 488          =  _____

 

942 - 99          =  _____

 

811 - 395          =  _____

 

645 - 19          =  _____

 

122 - 98          =  _____

 

50 - 18          =  _____

 

42 - 17          =  _____

 

83 - 77          =  _____

 

112 - 78          =  _____

 

195 - 97          =  _____

 

155 - 55          =  _____

 

95 - 29          =  _____

 

108 - 99             =  _____

 

111 - 79          =  _____

Name:______________________________                  Date:_______________

Core A, B, C, or D                                                Mental Math #11

 

 

50 x 12        = _____

 

25 x 9                  = _____

20 x 11        = _____

50 x 19        = _____

 

25 x 8                          _____

20 x 12        =            _____

50  x 26        = _____

25 x  15        = _____

20 x 9                  = _____

50 x 42        = _____

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Name:______________________________                  Date:_______________

 

Core A, B, C, or D                                                Mental Math #12

 

50 x 28          =  _____

 

20 x 35          = _____

 

50 x 16          =  _____

 

20 x 55          =  _____

 

50 x 44           =  _____

 

20 x 26          =  _____

 

50 x 48          =  _____

 

20 x 62          =  _____

 

50 x 34          =  _____

 

25 x 8                    =  _____

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Name:______________________________                  Date:_______________

 

Core A, B, C, or D                                                Mental Math #13

 

50 x 48          =  _____

 

20 x 25          = _____

 

50 x 98          =  _____

 

20 x 75          =  _____

 

50 x 98           =  _____

 

20 x 84          =  _____

 

50 x 66          =  _____

 

20 x 95          =  _____

 

50 x 99          =  _____

 

25 x 12          =  _____

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Name:______________________________                  Date:_______________

 

Core A, B, C, or D                                                Mental Math #14

 

50 x 218          =  _____

 

20 x 94          = _____

 

50 x 350          =  _____

 

20 x 125          =  _____

 

50 x 860           =  _____

 

20 x 240          =  _____

 

50 x 500          =  _____

 

20 x 215          =  _____

 

50 x 79          =  _____

 

25 x 16          =  _____

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Name:______________________________                  Date:_______________

 

Core A, B, C, or D                                                Mental Math #15

 

500 x 24          =  _____

 

200 x 12          = _____

 

500 x 35          =  _____

 

200 x 15          =  _____

 

500 x 86           =  _____

 

200 x 24          =  _____

 

500 x 46          =  _____

 

200 x 21          =  _____

 

500 x 82          =  _____

 

25 x 20          =  _____

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Name:______________________________                  Date:_______________

 

Core A, B, C, or D                                                Mental Math #16

 

1600 ÷ 50          =  _____

 

325 ÷ 50          = _____

 

1250 ÷ 25          =  _____

 

12 ÷ 20          =  _____

 

900 ÷ 50           =  _____

 

1200 ÷ 50          =  _____

 

500 ÷ 25          =  _____

 

200 ÷ 25          =  _____

 

300 ÷ 50          =  _____

 

250 ÷ 25          =  _____

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Name:______________________________                  Date:_______________

 

Core A, B, C, or D                                                Mental Math #17

 

 

500 ÷ 25        = _____

 

25 ÷ 20        = _____

120 ÷ 50        = _____

36 ÷ 50        = _____

 

65 ÷ 25                _____

50 ÷ 20        =            _____

125 ÷ 25        = _____

230 ÷ 50        = _____

60 ÷ 25        = _____

90 ÷ 20        = _____

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Name:______________________________                  Date:_______________

Core A, B, C, or D                                                Mental Math #18

 

 

2000 ÷ 25        = _____

 

250 ÷ 20        = _____

350 ÷ 50        = _____

460 ÷ 50        = _____

 

7 ÷ 25                          _____

30 ÷ 20        =            _____

55 ÷ 25        = _____

99 ÷ 50