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# (1) whole numbers ( page 01 08 )

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### (1) whole numbers ( page 01 08 )

1. 1. MATHS YEAR 5Name and write numbers up to seven digits. Example 1 : Write number 570 342 Build place value frame starting Build place value frame starting from ones to hundred thousand from ones to hundred thousand Step 1 : Hth Tth Th H T O Step 2 : Write the Write the digit digit according to Hth Tth Th H T O according to its place value its place value 5 7 0 3 4 2 Step 3 : Write in Write in words words Five hundred seventy thousand three hundred and forty-two
2. 2. MATHS YEAR 5 Example 2: Write the numeral for “Forty-two thousand seven hundred and ninety-two” Build place value frame starting Build place value frame starting from ones to the value that from ones to the value that being asked being asked Step 1 : Hth Tth Th H T O Step 2 : Write the Write the digit Hth Tth Th H T O digit according to according to 4 2 7 9 2 its place value its place value Step 2 : Hth Tth Th H T O 4 2 7 9 2 Step 2 : Write in Write in words words Write the numeral for “Forty-two thousand seven hundred and ninety - two 42 792
3. 3. MATHS YEAR 5Determine the place value of the digits in any whole number of up 1 000 000 Example 1 : Write the place value and the digit value of the underlined digit 145 378 Write the Step 1 : Hth Tth Th H T O Write the acronym for acronym for place value on place value on 1 4 5378 top of the top of the digits digits Step 2 : Hth Tth Th H T O Place value 1 4 5378 8 70 300 Digit value 5 000 40 000 100 000 Answer : Place value for digit 5 is thousands Digit value for digit 5 is 5 000
4. 4. MATHS YEAR 5Round off number to the nearest tens, hundreds, thousands, ten thousands andhundred thousands. Underline the digit according to theExample 1 question. 413 457Round off the number given digit to thenearest thousand Remember.. From 0 until 4 = 0 Step 1 : (4 less than 5) Underline digit 1 and circle digit 3. From 5 until 9 add 1 To the underline digit (Because more than 5) 4 1 3 457 Determine the digit in the circle and refer to the group given. = 413 000Example 2 467 912 4.134 Round off the value given to the nearest given to the nearest thousand tenths Remember.. From 0 until 4 = 0 Step 1 : (Because less than 5) Underline digit 7 and circle digit 9 From 5 until 9 add 1 +1 To underline digit 4 67 9 12 (Because more than 5 ) Determine the digit in the circle and refer to the group given. = 468 000
5. 5. MATHS YEAR 5Round off number to the nearest tens, hundreds, thousands, ten thousands andhundred thousands. Underline the digit according to theExample 1 question. 413 457Round off the number given digit to thenearest thousand Remember.. From 0 until 4 = 0 Step 1 : (4 less than 5) Underline digit 1 and circle digit 3. From 5 until 9 add 1 To the underline digit (Because more than 5) 4 1 3 457 Determine the digit in the circle and refer to the group given. = 413 000Example 2 467 912 4.134 Round off the value given to the nearest given to the nearest thousand tenths Remember.. From 0 until 4 = 0 Step 1 : (Because less than 5) Underline digit 7 and circle digit 9 From 5 until 9 add 1 +1 To underline digit 4 67 9 12 (Because more than 5 ) Determine the digit in the circle and refer to the group given. = 468 000
6. 6. MATHS YEAR 5Round off number to the nearest tens, hundreds, thousands, ten thousands andhundred thousands. Underline the digit according to theExample 1 question. 413 457Round off the number given digit to thenearest thousand Remember.. From 0 until 4 = 0 Step 1 : (4 less than 5) Underline digit 1 and circle digit 3. From 5 until 9 add 1 To the underline digit (Because more than 5) 4 1 3 457 Determine the digit in the circle and refer to the group given. = 413 000Example 2 467 912 4.134 Round off the value given to the nearest given to the nearest thousand tenths Remember.. From 0 until 4 = 0 Step 1 : (Because less than 5) Underline digit 7 and circle digit 9 From 5 until 9 add 1 +1 To underline digit 4 67 9 12 (Because more than 5 ) Determine the digit in the circle and refer to the group given. = 468 000
7. 7. MATHS YEAR 5Round off number to the nearest tens, hundreds, thousands, ten thousands andhundred thousands. Underline the digit according to theExample 1 question. 413 457Round off the number given digit to thenearest thousand Remember.. From 0 until 4 = 0 Step 1 : (4 less than 5) Underline digit 1 and circle digit 3. From 5 until 9 add 1 To the underline digit (Because more than 5) 4 1 3 457 Determine the digit in the circle and refer to the group given. = 413 000Example 2 467 912 4.134 Round off the value given to the nearest given to the nearest thousand tenths Remember.. From 0 until 4 = 0 Step 1 : (Because less than 5) Underline digit 7 and circle digit 9 From 5 until 9 add 1 +1 To underline digit 4 67 9 12 (Because more than 5 ) Determine the digit in the circle and refer to the group given. = 468 000