Adding in Any Order

Swap the parts and the total stays the same.

10 problems · about 12 minutes · 1.OA.B.3, 1.OA.C.6

NameDate

Figure — use these to answer the problems

Move the blocks. The whole never changes, however you split it.

First tray

Tap one to move it across

Second tray

Tap one to move it back

Blocks in all9

First tray2

Figure 1

From earlier lessons. Loosen up before the new work.

5 problems

From “Counting On With Pictures”
Start at 9. Count on 1. Where do you land?
Answer
From “Counting On”
8 + 2 = ?
Answer
From “Putting Groups Together”
What is 4 + 2?
Answer
From “How Many Do You See?”
How many dots?
Answer
From “One More, One Less”
What is one more than 4?
Answer

Straightforward practice. Get the method working first.

3 problems

3 + 5 = 8. So what is 5 + 3?
Answer
7
Which is quicker to count on?
- Start at 8 and count on 2.
- Start at 2 and count on 8.
1 + 8 = ?
Answer

The same ideas with more to keep track of.

1 problem

Mixed problems. Work out what kind of question it is before you start.

1 problem

Sharing Grapes
Mia eats 3 grapes and Ben eats 6. How many grapes did they eat in all?
Answergrapes