Maths Addition and Subtraction Year One Maths Year
Maths Addition and Subtraction Year One Maths | Year 4 | Addition and Subtraction | Formal Written Methods | Lesson 1 of 7: Treasure
Aim • I can add whole numbers using a written method. Success Criteria • I can add whole numbers with up to four digits. • I can use a formal written method.
Gold How can we say this operation? plus, add, altogether, sum, total twinkl. com
Gold Captain Greybeard has been searching the island for gold. On Monday, he collected 244 coins and on Tuesday, he collected 435 coins. How many coins does he have altogether? To work this out, we are going to use a method called Column Addition. 244 + 435 First, place the digits into the correct column. twinkl. com
Gold Captain Greybeard has been searching the island for gold. On Monday, he collected 244 coins and on Tuesday, he collected 435 coins. How many coins does he have altogether? 244 + 435 9 Next, look at the column with the lowest value. This is the ones column. 4 ones + 5 ones = 9 ones Place the answer in the answer section. twinkl. com
Gold Captain Greybeard has been searching the island for gold. On Monday, he collected 244 coins and on Tuesday, he collected 435 coins. How many coins does he have altogether? 244 + 435 79 Next, look at the next column with the lowest value. This is the tens column. 4 tens + 3 tens = 7 tens Place the answer in the answer section. twinkl. com
Gold Captain Greybeard has been searching the island for gold. On Monday, he collected 244 coins and on Tuesday, he collected 435 coins. How many coins does he have altogether? 244 + 435 679 Lastly, look at the remaining column. This is the hundreds column. 2 hundreds + 4 hundreds = 6 hundreds Place the answer in the answer section. The answer is 679 coins. twinkl. com
Gold Let’s look at a different problem. Captain Greybeard wanted to know how many pirates were on board his ship. After counting, he found out that there were 493 males and 238 females. What was the total number of pirates on board the ship? Again, we can use column addition to work out the answer. 493 + 238 First, place the digits into the correct column. twinkl. com
Gold Captain Greybeard wanted to know how many pirates were on board his ship. After counting, he found out that there were 493 males and 238 females. What was the total number of pirates on board the ship? 493 + 238 1 1 Next, look at the column with the lowest value. This is the ones column. Add together the numbers. 3 ones + 8 ones = 11 ones Regroup the 11 ones into 1 ten and 1 one. Place the 1 one in the answer section and show the regrouped ten by writing 1 under the tens column. twinkl. com
Gold Captain Greybeard wanted to know how many pirates were on board his ship. After counting, he found out that there were 493 males and 238 females. What was the total number of pirates on board the ship? 493 + 238 31 1 1 Next, look at the next column with the lowest value. This is the tens column. Add together the numbers, not forgetting the 1 ten that was regrouped. 9 tens + 3 tens + 1 ten = 13 tens Regroup the 13 tens into 1 hundred and 3 tens. Place the 3 tens in the answer section and show the regrouped 1 hundred by placing a 1 under the hundreds column. twinkl. com
Gold Captain Greybeard wanted to know how many pirates were on board his ship. After counting, he found out that there were 493 males and 238 females. What was the total number of pirates on board the ship? 493 + 238 731 1 1 Lastly, look at the remaining column. This is the hundreds column. Add together the numbers, not forgetting the 1 hundred that was regrouped. 4 hundreds + 2 hundreds + 1 hundred = 7 hundreds Place the answer in the answer section. The answer is 731 pirates. twinkl. com
Gold Let’s look at a different problem. Captain Greybeard was counting his gold. In his treasure chest, he counted 1353 pieces of gold and in his drawer, he counted 3348 pieces of gold. How many pieces of gold are there in total? Again, we can use column addition to work out the answer. + 1353 3348 First, place the digits into the correct column. twinkl. com
Gold Captain Greybeard was counting his gold. In his treasure chest, he counted 1353 pieces of gold and in his drawer, he counted 3348 pieces of gold. How many pieces of gold are there in total? + 1353 3348 1 1 Next, look at the column with the lowest value. This is the ones column. Add together the numbers. 3 ones + 8 ones = 11 ones Regroup the 11 ones into 1 ten and 1 one. Place the 1 one in the answer section and show the regrouped ten by writing 1 under the tens column. twinkl. com
Gold Captain Greybeard was counting his gold. In his treasure chest, he counted 1353 pieces of gold and in his drawer, he counted 3348 pieces of gold. How many pieces of gold are there in total? + 1353 3348 01 1 1 Next, look at the next column with the lowest value. This is the tens column. Add together the numbers, not forgetting the 1 ten that was regrouped. 5 tens + 4 tens + 1 ten = 10 tens Regroup the 10 tens into 1 hundred and 0 tens. Place the 0 tens in the answer section and show the regrouped 1 hundred by placing a 1 under the hundreds column. twinkl. com
Gold Captain Greybeard was counting his gold. In his treasure chest, he counted 1353 pieces of gold and in his drawer, he counted 3348 pieces of gold. How many pieces of gold are there in total? + 1353 3348 7 01 After, look at the next column with the lowest value. This is the hundreds column. Add together the numbers, not forgetting the 1 hundred that was regrouped. 3 hundreds + 1 hundred = 7 hundreds Place the answer in the answer section. 1 1 twinkl. com
Gold Captain Greybeard was counting his gold. In his treasure chest, he counted 1353 pieces of gold and in his drawer, he counted 3348 pieces of gold. How many pieces of gold are there in total? + 1353 3348 47 01 Lastly, look at the remaining column. This is the thousands column. Add together the numbers. 1 thousand + 3 thousands = 4 thousands Place the answer in the answer section. 1 1 There are 4701 pieces of gold altogether. twinkl. com
Fortune Cards Get into pairs. Each pair will need a set of 0 – 9 digit cards. Choose four cards. Create 2 two-digit numbers. Add the numbers together using column addition to find the total. Check your answer. Repeat. How many different totals can you create? twinkl. com
Treasure Captain Greybeard has placed gold coins out intothebags. He wants find out how many coins he has in Howand didsilver you work answers to thetotask? each bag. Can you help him? Can you give an example where you have used regrouping? Use column addition to help you work out the answers. twinkl. com
Question Time Captain Greybeard has two ships; the Ruby and the Pearl. The Pearl is 343 metres long and the Ruby is 584 metres long. What is the length of the ships altogether? 927 metres! twinkl. com
Question Time Captain Greybeard has to work out these calculations. Choose whether he can solve the questions mentally or using a written method. Can you explain why? 54 + 46 = 34 + 69 + 29 = 566 + 945 = 1547 + 2742 = 540 + 460 = 298 + 342 = 999 + 999 = 1999 + 354 = twinkl. com
Aim I can add whole numbers using a written method. Success Criteria • I can add whole numbers with up to four digits. • I can use a formal written method.
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