Add two 4-Digit Numbers 2 Year 4 Addition and Subtraction Learning Video Clip

Step 3: Add two 4-Digit Numbers 2 Year 4 Addition and Subtraction Learning Video Clip

Sebastian the explorer has been researching plants and animals in the jungle. He needs to use his knowledge of 1s, 10s, 100s and 1,000s to collect data about the different species he finds there.

More resources for Autumn Block 2 Step 3.

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Discussion points for teachers

1.Help Sebastian find the total number of nuts.
Discuss adding the two numbers and exchanging 10 ten bags for 1 hundred bag.
6,734. Exchange ten of the bags on the tens tree to one bag on the Hundreds tree.

2.Help him choose the correct total.
Discuss which 4-digit number is the total of the two numbers added together.
9,862

3.Help Sebastian work out the correct stones to step on to make the total written at the other side.
Discuss best way to find the missing number and then how to make the number using the stepping stones.
Th = 1, H = 3, T = 5, O = 1

4.Catch some butterflies and put them in the right jars to complete the calculation.
Discuss the different butterflies with digits that can be positioned in the four columns to make the sum work and for the sum to have an exchange. This question is open-ended for the children to explore.
C = 5, D = 4. Various answers for other letters, for example: A = 1, B = 1, E = 9, F = 2.

Optional discussion points:

Change the digits for the two boxes of peanuts so that the exchange happens in a different column.

National Curriculum Objectives

Mathematics Year 4: (4C2) Add and subtract numbers with up to 4 digits using the formal written methods of columnar addition and subtraction where appropriate

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