31 is 3 tens plus 1 ones. Which is another way to make 31? \(10 \, \times \, 3 \, + \, 1 \, = \, 31\)

\(1 \, ten \, plus \, 21 \, ones\)

\(1 \, ten \, plus \, 3 \, ones\)

\(21 \, tens \, plus \, 1 \, one\)

\(4 \, tens \, plus \, 1 \, one\)

24 is 2 tens plus 4 ones. Which is another way to make 24? \(10 \, \times \, 2 \, + \, 4 \, = \, 24\)

\(1 \, ten \, plus \, 14 \, ones\)

\(4 \, tens \, plus \, 2 \, ones\)

\(14 \, tens \, plus \, 1 \, one\)

\(1 \, ten \, plus \, 14 \, ones\)

\(3 \, tens \, plus \, 4 \, ones\)

46 is 4 tens plus 6 ones. Which is another way to make 46? \(10 \, \times \, 4 \, + \, 6 \, = \, 46\)

\(2 \, tens \, plus \, 26 \, ones\)

\(5 \, tens \, plus \, 6 \, ones\)

\(26 \, tens \, plus \, 2 \, ones\)

\(6 \, tens \, plus \, 4 \, ones\)

\(2 \, tens \, plus \, 26 \, ones\)

Adding Tens and Ones - Grade 1 - Practice with Math Games

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Grade 1 - Number and Operations in Base Ten

Standard 1.NBT.4 - Understand the place values of tens and ones. Convert numbers into tens and ones to solve.

Included Skills:

Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.

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