Mental Math Activities Mathematics 8 Support Mental Math Activities
12.5 x 4 = Could use double-double strategy, or distributive property, or halve-double strategy From Mental Math in Mathematics 8: page 4
is between what two whole numbers? From Mental Math in Mathematics 8: page 5
Estimate the sum 3/7 + 7//8 + 1/10 ½ + 1 + 0 = 1½ 3/7 + 7//8 + 1/10 ½ + 1 + 0 = 1½ From Mental Math in Mathematics 8: page 7
Which numbered image shows a translation of Figure A? From Mental Math in Mathematics 8: page 12
Reproduce the transformation A B Give teachers a piece of dot paper. Then show them this slide, in which the pre-image and the image will be seen for 5 seconds. The image will then disappear, leaving only the pre-image. Ask the teachers to reproduce the transformation. From Mental Math in Mathematics 8: page 13
Solve for x From Mental Math in Mathematics 8: page 16
Which of these mat plans would result in this building? From Mental Math in Mathematics 8: page 18
Express 90% as a fraction From Mental Math in Mathematics 8: page 18
Express 0.165 as a percent From Mental Math in Mathematics 8: page 18
8 is 25% of From Mental Math in Mathematics 8: page 20
From Mental Math in Mathematics 8: page 21
28 + 36 + 22+ 34 Calculate the mean of 28 + 22 and 36 + 34 are compatible numbers From Mental Math in Mathematics 8: page 22
Evaluate: 4 x 100 x (–8) From Mental Math in Mathematics 8: page 25
2 x 24 x 50 = From Mental Math in Mathematics 8: page 26
3x + 4 – 6x – 10 Combine Like Terms From Mental Math in Mathematics 8: page 29
x + 6 = –1 Mentally solve for x From Mental Math in Mathematics 8: page 30
Evaluate 5 + 4x when x = –4 From Mental Math in Mathematics 8: page 30
Calculate the volume From Mental Math in Mathematics 8: page 35