Review

by T.Angel _foreignKG3

​Subtraction

​Addition

​Expanding numbers

• ​Addition

​plus ( + )

Finding the total value of two numbers or more.

• ​Addition

​plus ( + )

+

=

• ​Addition

​plus ( + )

+

=

6

+

4

10

• ​Addition

​plus ( + )

+

=

• ​Addition

​plus ( + )

+

=

7

+

4

3

• ​Addition

​plus ( + )

+

=

• ​Addition

​plus ( + )

+

=

• ​Addition

​plus ( + )

+

=

14

+

9

5

Multiple Choice

$$5\ \ \ \ \ +\ \ \ \ \ 4^{ }$$  

• $$10$$  

• $$12$$  

Multiple Choice

$$10\ \ \ \ +\ \ \ \ 5$$  

• $$15$$  

• $$16$$  

Multiple Choice

$$4\ \ \ \ +\ \ \ 4$$  

• $$8$$  

• $$11$$  

Multiple Choice

$$10\ \ \ \ +\ \ \ 6$$  

• $$13$$  

• $$16$$  

• ​Subtraction

• ​minus ( - )

• ​is when you take one number away from another number.

• ​Subtraction

​minus ( - )

• ​Subtraction

​minus ( - )

x

x

• ​Subtraction

​minus ( - )

x

x

6

-

2

=

4

• ​Subtraction

​minus ( - )

• ​Subtraction

​minus ( - )

x

x

x

x

• ​Subtraction

​minus ( - )

x

x

x

x

8

-

4

=

4

• ​Subtraction

​minus ( - )

• ​Subtraction

​minus ( - )

x

x

x

x

x

x

x

• ​Subtraction

​minus ( - )

x

x

x

x

x

x

x

12

-

7

=

5

Multiple Choice

$$3\ \ -\ \ 1$$  

• $$2$$  

• $$1$$  

Multiple Choice

$$5\ \ -\ \ 4$$  

• $$5$$  

• $$1$$  

Multiple Choice

$$10\ \ -\ \ 4$$  

• $$6$$  

• $$5$$  

Multiple Choice

$$13\ \ -\ \ 3$$  

• $$6$$  

• $$10$$  

• Expanding numbers

• ​writing numbers in expanding form means that we are showing the value of each digit number.  

• Expanding numbers

15 = one ten and five ones. 

28 = two tens and eight ones.

2 = two ones. 

• Expanding numbers

One ten and one one = 11

Two tens and seven ones = 27

six ones = 6

Multiple Choice

One ten and three ones. 

• $$13$$  

• $$15$$  

Multiple Choice

Eight ones. 

• $$15$$  

• $$8$$  

Multiple Choice

One ten and eight tens.

• $$15$$  

• $$18$$  

Multiple Choice

Two tens and five ones.

• $$20$$  

• $$25$$  

Multiple Choice

One ten and nine ones. 

• $$10$$  

• 19