B1.3: Round whole numbers to the nearest ten, hundred or thousand, in…

The Ontario Mathematics, Grades 1–8 outcome B1.3 for Grade 4 says: “Round whole numbers to the nearest ten, hundred or thousand, in various contexts.” These printable Fieldbook pages practise it, each with a full answer key.

Compared with Common Core: 4.NBT.A.3.

More Ontario Grade 4 math outcomes we teach

• B1.1 Read, represent, compose and decompose whole numbers up to and including…
• B1.2 Compare and order whole numbers up to and including 10,000, in various contexts
• B1.4 Represent fractions from halves to tenths with drawings, tools and standard…
• B1.5 Use drawings and models to represent, compare and order fractions from…
• B1.6 Count by halves, thirds, fourths, sixths and eighths, with and without tools…
• B1.7 Read, represent, compare and order decimal tenths, in various contexts
• B1.9 Describe relationships and show equivalences among fractions and decimal…
• B2.1 Use the properties of operations and the relationships among addition…
• B2.2 Recall and demonstrate multiplication facts from 1 × 1 to 10 × 10, and the…
• B2.3 Use mental math strategies to multiply whole numbers by 10, 100 and 1000…
• B2.4 Represent and solve problems involving the addition and subtraction of whole…
• B2.5 Represent and solve problems involving multiplying two- or three-digit whole…
• B2.6 Represent and solve problems involving dividing two- or three-digit whole…
• B2.7 Show how adding a unit fraction again and again is the same as multiplying that…
• B2.8 Show simple multiplicative relationships involving whole-number rates, using…
• C1.1 Identify and describe repeating and growing patterns, including patterns found…
• C1.2 Create and translate repeating and growing patterns using various…
• C1.3 Determine pattern rules and use them to extend patterns, make and justify…
• C1.4 Create and describe patterns to show relationships among whole numbers and…
• C2.1 Identify and use symbols as variables in expressions and equations
• C2.2 Solve equations that involve whole numbers up to 50 in various contexts, and…
• C2.3 Solve inequalities that involve addition and subtraction of whole numbers up to…
• D1.1 Describe the difference between qualitative data (categories, such as favourite…
• D1.3 Select, from a variety of graphs (here pictographs, line plots, bar graphs and…
• D1.5 Find the mean and the median and identify the mode or modes, if any, of data…
• D1.6 Analyse different sets of data shown in various ways, including stem-and-leaf…
• D2.1 Use mathematical language, including the terms impossible, unlikely, equally…
• E1.1 Identify the geometric properties of rectangles: four right angles, two pairs…
• E1.2 Plot and read coordinates in the first quadrant of a Cartesian plane, and…
• E2.1 Explain the relationships between grams and kilograms as metric units of mass …
• E2.2 Use the metric prefixes (kilo, hecto, deca, deci, centi, milli) to describe how…
• E2.3 Solve problems involving elapsed time by applying the relationships between…
• E2.4 Identify angles and classify them as right, straight, acute or obtuse
• E2.5 Use the rows and columns of an array to measure the area of a rectangle, and…
• E2.6 Use the formula for the area of a rectangle to find a missing measurement when…
• F1.2 Use mental math to estimate and calculate the cost of buying several items…

Every Ontario Grade 4 math curriculum outcome we teach

Every unit matched to Ontario's curriculum · All places and curricula