Expressions

8(42-12)

8 ​ (a)   ​the ​ ​ (b)   ​ (c)   42 and 12

• times
• sum
• under
• quotient
• difference
• between

Draw the picture form of:

4 times the sum of some number and 36

( 22 + 18 ) x 6

the ​ (a)   of 22 ​ (b)   18 ​ (c)   6

• under
• quotient
• sum
• and
• times
• plus

the sum of 3 fours and 2 fives

Mathematical Equivalence

ON

Which of the following is not the same thing as

16 X 29

• 29 sixteens

• 16 (30-1)

• (15-1) x 29

• (10 X 29) - (6 X29)

Which of the following is not the same as

74 X 59

• 74 X (50+9)

• 74 X (60-1)

• (74 X 5) + (74 X 9)

• 59 seventy-fours

Which is not the same as

32 X 45

• 32 X (40+5)

• 32 X (50-5)

• (32 X 4) + (32 X 5)

• 45 thirty-twos

Which of the following is not equivalent to

18 X 27

• 27 eighteens

• 18 (30-3)

• (20-2) x 27

• (15 X 27) - (9 X 27)

Which of the following is not the same as

56 X 63.

• 56 X (60+3)

• 56 X (70-7)

• (56 X 6) + (56 X 3)

• 63 fiftysixes

Which of the following is not the same as

82 X 47

• 82 X (40+7)

• 82 X (50-3)

• (82 X 4) + (82 X 7)

• 47 eighty-twos