Nat 5 Apps revision

Round the following to 2 decimal places;

13.672675

• 13

• 0.67

• 13.66

• 13.67

Round the following to 3 decimal places;

1.86529

• 1.865

• 1.87

• 1.86

• 1.864

Round the following to 2 significant figures;

129,818.45

• 130,000

• 120,000

• 129,000

Round the following to 3 significant figures;

45912

• 46000

• 45900

• 44500

Round the following to 2 significant figures;

0.00508289

• 0.00508

• 0.0051

• 0.0050

• 0.00507

Round the following to 3 significant figures;

918743.39

• 920000

• 918000

• 919000

• 910000

 $\frac{1}{6}\ +\ \frac{4}{6}$  

•  $\frac{3}{6}$  

•  $\frac{5}{6}$  

•  $\frac{5}{12}$  

•  $\frac{3}{12}$  

 $\frac{1}{2}\ +\ \frac{3}{8}$  

•  $\frac{2}{5}$  

•  $\frac{4}{10}$  

•  $\frac{7}{8}$  

•  $\frac{1}{2}$  

At a wedding there are different types of starter.

 $\frac{1}{3}$  of the guests order soup

 $\frac{2}{5}$  of the guests order salmon
What fraction of guests ordered soup or salmon.

•  $\frac{3}{8}$  

•  $\frac{11}{15}$  

•  $\frac{9}{15}$  

•  $\frac{7}{15}$  

In a box of pens there are red, blue or black.

 $\frac{1}{7}$  of the pens are red

 $\frac{5}{9}$  of the pens are blue

The rest of the pens are black. 

Find the fractions of pens that are black.

•  $\frac{44}{63}$  

•  $\frac{54}{63}$  

•  $\frac{19}{63}$  

•  $\frac{9}{63}$