Addition Strategies

​Addition Strategies

Multiple Choice

1842 + 50

• 1892

• 1822

• 1802

Fill in the Blanks

637 + 200

Multiple Choice

3 + ? = 10

• 4

• 6

• 7

Multiple Choice

80 + ? = 100

• 20

• 30

• 40

Multiple Choice

400 + ? = 1000

• 500

• 600

• 700

​Example

​Solution

Multiple Choice

Another runner has run 67 meters. How many more meters does he have left to run?

67 + ? = 100

• 23

• 33

• 43

​Example

Multiple Choice

834 + ? = 1000

• 166

• 276

Fill in the Blanks

581 + ? = 1000

Multiple Choice

56 + 41=?

50+40

6+1

• 79

• 89

• 97

• 99

Fill in the Blanks

317 + 551 = ?

300+500

10+50

7+1

Multiple Choice

25 + 26 = ?

• 51

• 52

• 533

Fill in the Blanks

400 + 405 = ?

you can use the doubling method

( Double 400 then add 5)

Fill in the Blanks

​some more examples

Fill in the Blanks

Fill in the Blanks

​EXAMPLES

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

96 + 7 = ?

Fill in the Blanks

103 - 9