1. a) I don't agree with David's method because he showed the addition statement instead of the multiplication.
b) I would use 3 groups of -7 because it shows the multiplication statement.
8. a) (+2) + (+2) + (+2) + (+2) + (+2) + (+2) + (+2)
b) (-9) + (-9) + (-9) + (-9)
12. a) (-1) x (+7)
b) (-2) x (-5)
15. 12 x 3 = 36
The aircraft descend 36 m.
Great job Daniesa! I like how you explained your answers. Next time you could add a video and/or link, relating to this topic.
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