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Hands-On

Find the missing addend.

Goal:

Goal:

thinking monkey with bulls eye target

Practice!

Goal: Can you find the missing addend?

Can you solve ___ + 43 = 89? You will use these number cards .

Hands-On

__ + 43 = 89

2 grey boxes + 2 grey boxes = 2 grey boxes. There is also a yellow arrow pointing to the first set of grey boxes.

What digits belong in the first addend? Click Show Me to check your answer.

__ + 43 = 89

2 grey boxes + 2 grey boxes = 2 grey boxes. There is also a yellow arrow pointing to the second set of grey boxes.

What digits belong in the second addend? Click Show Me to check your answer.

__ + 43 = 89

2 grey boxes + 2 grey boxes, with the numbers 4 and 3 inside them = 2 grey boxes. There is also a yellow arrow pointing to the third set of grey boxes, which is the sum.

What digits belong in the sum? Click Show Me to check your answer.

__ + 43 = 89

2 grey boxes + 2 grey boxes, with the numbers 4 and 3 inside them = 2 grey boxes, with the numbers 8 and 9 inside of them. There is also a yellow arrow pointing to the first set of grey boxes.

What is the missing digit in the ones place? Ask yourself: __ + 3 = 9? Click Show Me to check your answer.

__ + 43 = 89

2 grey boxes, with the number 6, which is red, in the second box + 2 grey boxes, with the numbers 4 and 3 inside them = 2 grey boxes, with the numbers 8 and 9 inside of them. There is also a yellow arrow pointing to the empty grey box, in the first set of grey boxes.

What is the missing digit in the tens place? Ask yourself: __ + 4 = 8? Click Show Me to check your answer.

Practice adding on the sheet below. When you are done, turn in your assignment to your teacher with your Weekly Written Work.

Two-Digit Addition Without Regrouping