Definitions
Missing ADDEND
Problems
Speed Addition
Missing ADDENDS Problems
Mystery
100

What is the definition of...SUM

The product of two or more ADDENDS

100

2 + x = 4

2

100

8+9=

17

100

10+12+x=32

10

100

2+2+2+2 = 

8

200

What does ADDEND mean?

Two or more numbers added together to produce a sum

200

6+ x = 14

8

200

12+10=

22

200

8+9+x=20

3

200

5+6+8=?

20

300

Describe what a NUMBER SENTENCE is.

ADDENDS added together that produce a sum ex. 5+5=10

300

8+x=20

12

300

22+11=

33

300

33+24+x=144

87

300

8+x=34

26

400

What is another word for joining numbers together?

addition

400

20 + x=44

24

400

55+60=

115

400

37+x+93=202

72

400

4+4+4+4+4=

20

500

What does the word total mean?

All Together

500

107 + x= 236

129

500

23+14

37

500

X+55+78=189

56

500

57+x=73

16