Counting on Addition = Example: 67

2-digit number with a multiple of ten Addition Example: = = 60 =

2-digit number with a multiple of ten Addition Example: = = 130 =

2-digit number with a multiple of ten Addition Example: = = 170 =

Siti bought the items listed below. QuantityItemsThe cost of one unit Total Story books Rulers Pencil sharpeners $4 $2 $3 __________ Total amount Practical Application $2 each $3 each Siti paid the shopkeeper $ How much change will she receive? =___________ $4 each

Add $16 + $4 + $15 = 2-digit number with a multiple of ten $10 $6 $10 $5 $10 + $6 + $4 + $10 + $ = $20 + $10 + = $35 $5

What is the total cost of two toy cars below? B$447 $530 $447= $400 + $40 + $7 $530= $500 + $30 $447 + $530 =$400 + $500 + $40 + $30 + = $ $70 + $7 = B$977