3학년 3분기 시험

Multiply.

1. 1
   73

   ×4
2. 2
   11

   ×8
3. 3
   89

   ×3
4. 4
   11

   ×9

Solve. Check each sign before you start.

1. 5
   $7+1=$ 
2. 6
   $2\times 10=$ 
3. 7
   $9\times 7=$ 
4. 8
   $311+518=$ 

Find the number that goes in each box.

1. 9
   $\boxed{}÷3=$ $1$
2. 10
   $\boxed{}÷3=$ $2$
3. 11
   $90÷\boxed{}=$ $9$
4. 12
   $2\times \boxed{}=$ $10$
5. 13
   $\boxed{}\times 10=$ $60$
6. 14
   $\boxed{}-339=$ $555$

Write the fraction of each model that is shaded.

1. 15
   Fraction shaded: 
2. 16
   Fraction shaded: 
3. 17
   Fraction shaded: 
4. 18
   Fraction shaded: 
5. 19
   Fraction shaded: 
6. 20
   Fraction shaded: 
7. 21
   Improper fraction and mixed number: 

Write each fraction in the form asked for.

1. 22
   Write as a fraction: one-third
2. 23
   Write as a fraction: four-fifths
3. 24
   Write as a fraction: two-tenths

Add, or write each fraction as a sum of unit fractions.

1. 25
   $\frac{1}{2}+\frac{1}{2}=$ 
2. 26
   Write $\frac{2}{4}$ as a sum of unit fractions.
3. 27
   Write $\frac{3}{8}$ as a sum of unit fractions.

Fill in each box.

1. 28
   $1=$ $\frac{\boxed{}}{4}$
2. 29
   $4=$ $\frac{\boxed{}}{6}$
3. 30
   $3=$ $\frac{9}{\boxed{}}$