Operasi Tambah Penyelesaian Masalah

Solve the following addition problem: 34 + 56

• 42

• 78

• 90

• 100

Explain the concept of carrying over in addition with an example.

• Carrying over in addition is the process of moving the excess value from one place value to the next higher place value when the sum exceeds 9.

• Carrying over in addition is only used in multiplication

• Carrying over in addition is when you subtract instead of adding

• Carrying over in addition is not necessary and can be skipped

Use the column addition method to find the sum of 78 + 45.

• 117

• 155

• 132

• 123

In a word problem, if John has 25 apples and buys 37 more, how many apples does he have in total?

• 62

• 52

• 75

• 42

Estimate the sum of 63 + 48.

• 110

• 120

• 105

• 115

What is regrouping in addition and when is it used?

• Regrouping is only used when subtracting numbers.

• Regrouping in addition is used when the sum of two digits in the same place value is greater than 9.

• Regrouping is used when the sum of two digits in different place values is greater than 9.

• Regrouping is a method used in multiplication, not addition.

Calculate the sum of 59 + 27 using the regrouping technique.

• 83

• 76

• 92

• 86

If a bakery sold 48 cupcakes in the morning and 35 cupcakes in the evening, how many cupcakes were sold in total?

• 83

• 100

• 60

• 75

Estimate the sum of 72 + 89.

• 155

• 145

• 130

• 160

Explain how to check addition using the inverse operation.

• Add the two numbers together

• Divide the two numbers

• Subtract the second number from the sum of the two numbers.

• Multiply the two numbers