Addition within 100

20 + 14 = 34

This is an addition ......... regrouping.

• with

• without

15 + 11 = 26

This is an ........... without regrouping.

• addition

• subtraction

The addends are 34 and 35.

The sum is ......

• 69

• 79

The addends are 44 and 15.

The sum is ......

• fifty-nine

• fifty-five

67 + 16 = 83

This is addition ............... regrouping.

Fifteen .............. five equals twenty.

Fifteen plus eleven equals ...............

• twenty-six

• twenty-four

Organize these options

Groups:

(a) Addition with regrouping

,

(b) Addition without regrouping

• 45 + 21

• 20 + 20

• 56 + 47

• 11 + 19

Sắp xếp từ thành câu.

• There

• are

• 14

• apples

• altogether.

Six plus seven equals .........

• fourteen

• thirteen