P1 Math Revision Addition and Subtraction using algorithm

ten and ten is ...

• twenty

• twelve

• two

seventeen minus two is ...

• seven

• fifteen

• nineteen

nine plus eight is ...

• one

• nineteen

• seventeen

seven plus nine is ...

• sixteen

• two

• seventeen

eleven minus six is ...

• seventeen

• six

• five

36 + 12 =

• 48

• 24

• 50

• 58

42 + 25 =

• 37

• 43

• 67

• 77

53 - 11 =

• 22

• 42

• 32

• 64

86 - 25 =

• 60

• 79

• 61

• 51

28 + 14 =

• 32

• 42

• 48

• 38