Math Practice Problems - Understanding 11 to 19

Understanding 11 to 19 - Sample Math Practice Problems

The math problems below can be generated by MathScore.com, a math practice program for schools and individual families. References to complexity and mode refer to the overall difficulty of the problems as they appear in the main program. In the main program, all problems are automatically graded and the difficulty adapts dynamically based on performance. Answers to these sample questions appear at the bottom of the page. This page does not grade your responses.

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Complexity=1, Mode=ct

Count the number of shaded squares.

Problem

Correct Answer

Your Answer

# shaded squares:

Solution
There is one block of ten and 6 ones.

# Tens	# Ones
1	6

There are 16 shaded squares.

Problem

Correct Answer

Your Answer

# shaded squares:

Solution
There is one block of ten and 3 ones.

# Tens	# Ones
1	3

There are 13 shaded squares.

Complexity=1, Mode=eqv

Complete the equation (e.g., 11 = 10 + 1).

Problem

Correct Answer

Your Answer


	=		+

= +

Solution

1 block of tens	+	8 blocks of ones	=
10	+	8	= 18

Problem

Correct Answer

Your Answer


	=		+

= +

Solution

1 block of tens	+	7 blocks of ones	=
10	+	7	= 17

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Understanding 11 to 19 - Sample Math Practice Problems

Complexity=1, Mode=ct

Complexity=1, Mode=eqv

Complexity=1, Mode=eq

Complexity=2, Mode=eq

Answers

Complexity=1, Mode=ct

Complexity=1, Mode=eqv

Complexity=1, Mode=eq

Complexity=2, Mode=eq