Number and Calculation 1

Which numbers are ordered from smallest to largest?

• 1.03 1.23 1.12 1.1

• 7.09 7.108 7.12 7.2

• 8.01 8.009 8.3 8.7

• 3.05 3.5 3.095 3.51

9.04 x 1000 =

• 904

• 0.904

• 9040

• 90.4

34.98 x  $\frac{1}{100}$  is the same as

•   $\frac{3498}{10}$  

•   $\frac{349.8}{10}$  

• 34.98  $\times\frac{100}{1}$  

• 0.3498

Which is the best estimate for 503.973 ÷ 11

• 500

• 5000

• 5

• 50

Is -4 an integer, a whole number or a rational number?

• a whole number

• an integer

• a decimal number

• options 1 and 2

Which of the following shows the numbers in order from least to greatest?

• 4, 1.5, 0.75, 0.25

• 0.25, 0.75, 1.5, 4

• 1.5, .75, 4, .25

• 1.5, .75, 4, .25

Which shows the integers in order from least to greatest?

• -2, 6, -13, 20

• -13, -2, 6, 20

• 6, -13, -2,20

• 20, 6, -2, -13

-35 - -8

• -27

• 27

• -43

• 43

17 - -4 + -40

• 21

• -21

• -19

• -18

Aziz estimates the answer of a calculation as 5600.

The numbers in the calculation were rounded to the nearest 100. What could the original calculation be? You can choose more than one option.

• 3724 + 1376

• 8037 - 2376

• 2500 + 3250

• 7660 - 1570