Okay slide rulers, here are the answers, so check if you agree with me (or if I agree with you).

To go back to the questions, just click on the back button on your browser or PRACTICE QUESTIONS at the top.

Question 1: 3.4 x 2 = 6.8

We can estimate; 3 x 2 = 6, so our answer is around 6.

Question 2: 2.7 x 3 = 8.1

We can estimate; 3 x 3 = 9, so our answer is around 9.

Question 3: 4.5 x 1.6 = 7.2

We can estimate; 5 x 2 = 10, so our answer is around 10.

Question 4: 2.2 x 1.5 = 3.3

We can estimate; 2 x 2 = 4, so our answer is around 4.

Question 5: 2.6 x 2.5 = 6.5

We can estimate; 3 x 2, so our answer is around 6.

Question 6: 6 x 3.5 = 21

We can estimate; 6 x 4 = 24, so our answer is around 24.

Question 7: 5.5 x 9 = 49.5

We can estimate; 6 x 9 = 54, so our answer is around 54.

Question 8: 2.8 x 5 = 14

We can estimate; 3 x 5 = 15, so our answer is around 15.

Question 9: 3.2 x 4.5 = 14.4

We can estimate; 3 x 5 = 15, so our answer is around 15.

Question 10: 9.2 x 7.5 = 69

We can estimate; 9 x 8 = 72, so our answer is around 72.